I’m already talking about my last working backup. Current data (MM+DB) are all from the day before yesterday. And now the MM service doesn’t start. I’d be happy if this old MM comes up.
journalctl -u mattermost
– Logs begin at Fre 2020-08-14 14:39:22 CEST, end at Fre 2020-08-14 14:42:42 CEST. –
Aug 14 14:39:45 SERVER systemd[1]: Started Mattermost.
Aug 14 14:39:49 SERVER mattermost[2991]: {“level”:“info”,“ts”:1597408789.6726403,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:39:49 SERVER mattermost[2991]: {“level”:“info”,“ts”:1597408789.6937063,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:39:49 SERVER mattermost[2991]: {“level”:“info”,“ts”:1597408789.9588451,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:39:50 SERVER mattermost[2991]: {“level”:“error”,“ts”:1597408790.3341799,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:39:51 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:39:51 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:39:51 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:40:01 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:40:01 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:40:01 SERVER systemd[1]: Started Mattermost.
Aug 14 14:40:04 SERVER mattermost[4516]: {“level”:“info”,“ts”:1597408804.544298,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:40:04 SERVER mattermost[4516]: {“level”:“info”,“ts”:1597408804.5444705,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:40:04 SERVER mattermost[4516]: {“level”:“info”,“ts”:1597408804.5665936,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:40:04 SERVER mattermost[4516]: {“level”:“error”,“ts”:1597408804.6717236,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:40:05 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:40:05 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:40:05 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:40:15 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:40:15 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:40:15 SERVER systemd[1]: Started Mattermost.
Aug 14 14:40:17 SERVER mattermost[4812]: {“level”:“info”,“ts”:1597408817.3393323,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:40:17 SERVER mattermost[4812]: {“level”:“info”,“ts”:1597408817.3399246,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:40:17 SERVER mattermost[4812]: {“level”:“info”,“ts”:1597408817.342036,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingin
Aug 14 14:40:17 SERVER mattermost[4812]: {“level”:“error”,“ts”:1597408817.428405,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Databa
Aug 14 14:40:18 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:40:18 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:40:18 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:40:28 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:40:28 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:40:28 SERVER systemd[1]: Started Mattermost.
Aug 14 14:40:29 SERVER mattermost[4944]: {“level”:“info”,“ts”:1597408829.6034358,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:40:29 SERVER mattermost[4944]: {“level”:“info”,“ts”:1597408829.6036122,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:40:29 SERVER mattermost[4944]: {“level”:“info”,“ts”:1597408829.6055126,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:40:29 SERVER mattermost[4944]: {“level”:“error”,“ts”:1597408829.7044616,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:40:30 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:40:30 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:40:30 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:40:40 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:40:40 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:40:40 SERVER systemd[1]: Started Mattermost.
Aug 14 14:40:41 SERVER mattermost[5365]: {“level”:“info”,“ts”:1597408841.7379692,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:40:41 SERVER mattermost[5365]: {“level”:“info”,“ts”:1597408841.740226,“caller”:“app/app.go:195”,“msg”:"Server is initia
Aug 14 14:40:41 SERVER mattermost[5365]: {“level”:“info”,“ts”:1597408841.7878056,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:40:41 SERVER mattermost[5365]: {“level”:“error”,“ts”:1597408841.9906845,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:40:42 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:40:42 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:40:42 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:40:53 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:40:53 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:40:53 SERVER systemd[1]: Started Mattermost.
Aug 14 14:40:54 SERVER mattermost[5438]: {“level”:“info”,“ts”:1597408854.4683843,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:40:54 SERVER mattermost[5438]: {“level”:“info”,“ts”:1597408854.533212,“caller”:“app/app.go:195”,“msg”:"Server is initia
Aug 14 14:40:54 SERVER mattermost[5438]: {“level”:“info”,“ts”:1597408854.6163955,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:40:54 SERVER mattermost[5438]: {“level”:“error”,“ts”:1597408854.9739115,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:40:56 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:40:56 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:40:56 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:41:06 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:41:06 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:41:06 SERVER systemd[1]: Started Mattermost.
Aug 14 14:41:06 SERVER mattermost[5549]: {“level”:“info”,“ts”:1597408866.6937475,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:41:06 SERVER mattermost[5549]: {“level”:“info”,“ts”:1597408866.6956265,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:41:06 SERVER mattermost[5549]: {“level”:“info”,“ts”:1597408866.70862,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pinging
Aug 14 14:41:06 SERVER mattermost[5549]: {“level”:“error”,“ts”:1597408866.751742,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Databa
Aug 14 14:41:07 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:41:07 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:41:07 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:41:17 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:41:17 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:41:18 SERVER systemd[1]: Started Mattermost.
Aug 14 14:41:18 SERVER mattermost[6556]: {“level”:“info”,“ts”:1597408878.6111135,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:41:18 SERVER mattermost[6556]: {“level”:“info”,“ts”:1597408878.6148312,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:41:18 SERVER mattermost[6556]: {“level”:“info”,“ts”:1597408878.6188948,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:41:18 SERVER mattermost[6556]: {“level”:“error”,“ts”:1597408878.6514099,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:41:19 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:41:19 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:41:19 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:41:29 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:41:29 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:41:29 SERVER systemd[1]: Started Mattermost.
Aug 14 14:41:30 SERVER mattermost[7021]: {“level”:“info”,“ts”:1597408890.417672,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:41:30 SERVER mattermost[7021]: {“level”:“info”,“ts”:1597408890.4198797,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:41:30 SERVER mattermost[7021]: {“level”:“info”,“ts”:1597408890.4311087,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:41:30 SERVER mattermost[7021]: {“level”:“error”,“ts”:1597408890.4878302,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:41:31 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:41:31 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:41:31 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:41:41 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:41:41 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:41:41 SERVER systemd[1]: Started Mattermost.
Aug 14 14:41:42 SERVER mattermost[7156]: {“level”:“info”,“ts”:1597408902.0489345,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:41:42 SERVER mattermost[7156]: {“level”:“info”,“ts”:1597408902.0499895,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:41:42 SERVER mattermost[7156]: {“level”:“info”,“ts”:1597408902.0685785,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:41:42 SERVER mattermost[7156]: {“level”:“error”,“ts”:1597408902.0857158,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:41:43 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:41:43 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:41:43 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:41:53 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:41:53 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:41:53 SERVER systemd[1]: Started Mattermost.
Aug 14 14:41:53 SERVER mattermost[7305]: {“level”:“info”,“ts”:1597408913.4748929,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:41:53 SERVER mattermost[7305]: {“level”:“info”,“ts”:1597408913.4751213,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:41:53 SERVER mattermost[7305]: {“level”:“info”,“ts”:1597408913.4771538,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:41:53 SERVER mattermost[7305]: {“level”:“error”,“ts”:1597408913.500497,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Databa
Aug 14 14:41:54 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:41:54 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:41:54 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:42:04 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:42:04 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:42:04 SERVER systemd[1]: Started Mattermost.
Aug 14 14:42:04 SERVER mattermost[7336]: {“level”:“info”,“ts”:1597408924.9746943,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:42:04 SERVER mattermost[7336]: {“level”:“info”,“ts”:1597408924.9749923,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:42:04 SERVER mattermost[7336]: {“level”:“info”,“ts”:1597408924.9772296,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:42:05 SERVER mattermost[7336]: {“level”:“error”,“ts”:1597408925.0048046,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:42:06 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:42:06 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:42:06 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:42:16 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:42:16 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:42:16 SERVER systemd[1]: Started Mattermost.
Aug 14 14:42:16 SERVER mattermost[7355]: {“level”:“info”,“ts”:1597408936.7439735,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:42:16 SERVER mattermost[7355]: {“level”:“info”,“ts”:1597408936.7446935,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:42:16 SERVER mattermost[7355]: {“level”:“info”,“ts”:1597408936.7466884,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:42:16 SERVER mattermost[7355]: {“level”:“error”,“ts”:1597408936.7858453,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:42:17 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:42:17 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:42:17 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:42:27 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:42:27 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:42:28 SERVER systemd[1]: Started Mattermost.
Aug 14 14:42:28 SERVER mattermost[7375]: {“level”:“info”,“ts”:1597408948.251719,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:42:28 SERVER mattermost[7375]: {“level”:“info”,“ts”:1597408948.2519524,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:42:28 SERVER mattermost[7375]: {“level”:“info”,“ts”:1597408948.254036,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingin
Aug 14 14:42:28 SERVER mattermost[7375]: {“level”:“error”,“ts”:1597408948.2745166,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:42:29 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:42:29 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:42:29 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
Aug 14 14:42:39 SERVER systemd[1]: mattermost.service: Service hold-off time over, scheduling restart.
Aug 14 14:42:39 SERVER systemd[1]: Stopped Mattermost.
Aug 14 14:42:39 SERVER systemd[1]: Started Mattermost.
Aug 14 14:42:39 SERVER mattermost[7425]: {“level”:“info”,“ts”:1597408959.764309,“caller”:“utils/i18n.go:83”,“msg”:"Loaded system
Aug 14 14:42:39 SERVER mattermost[7425]: {“level”:“info”,“ts”:1597408959.7646663,“caller”:“app/app.go:195”,“msg”:"Server is initi
Aug 14 14:42:39 SERVER mattermost[7425]: {“level”:“info”,“ts”:1597408959.7677455,“caller”:“sqlstore/supplier.go:200”,“msg”:"Pingi
Aug 14 14:42:39 SERVER mattermost[7425]: {“level”:“error”,“ts”:1597408959.7885208,“caller”:“sqlstore/upgrade.go:102”,“msg”:"Datab
Aug 14 14:42:40 SERVER systemd[1]: mattermost.service: Main process exited, code=exited, status=234/MAKE_STARTER
Aug 14 14:42:40 SERVER systemd[1]: mattermost.service: Unit entered failed state.
Aug 14 14:42:40 SERVER systemd[1]: mattermost.service: Failed with result ‘exit-code’.
tail -30 /opt/mattermost/logs/mattermost.log
{“level”:“info”,“ts”:1597409198.9529328,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409198.9775841,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409210.2409937,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409210.2415547,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409210.2437673,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409210.2696326,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409221.7348754,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409221.7353294,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409221.7371235,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409221.761478,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409233.2113864,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409233.2116344,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409233.2142634,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409233.236406,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409244.68401,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409244.6844773,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409244.686594,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409244.7139657,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409255.979219,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409255.9796798,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409255.9818783,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409256.0009825,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409267.4437156,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409267.444194,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409267.446112,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409267.4649324,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
{“level”:“info”,“ts”:1597409278.6988301,“caller”:“utils/i18n.go:83”,“msg”:“Loaded system translations for ‘en’ from ‘/opt/mattermost/i18n/en.json’”}
{“level”:“info”,“ts”:1597409278.6995258,“caller”:“app/app.go:195”,“msg”:“Server is initializing…”}
{“level”:“info”,“ts”:1597409278.7018223,“caller”:“sqlstore/supplier.go:200”,“msg”:“Pinging SQL master database”}
{“level”:“error”,“ts”:1597409278.7252653,“caller”:“sqlstore/upgrade.go:102”,“msg”:“Database schema version 5.25.0 is no longer supported. This Mattermost server supports automatic upgrades from schema version 3.0.0 through schema version 5.3.0. Downgrades are not supported. Please manually upgrade to at least version 3.0.0 before continuing”}
It would be more than great if MM comes up in old version. And than we are discuss the next step 
Best regards.