Hello @ahmaddanial - I tried saving first. When testing, the error said that it couldn’t connect to the bucket.
Here is the final entry in the log:
12/7/2020, 11:21:30 AM mattermost [stderr] {“level”:“error”,“ts”:1607361690.1954281,“caller”:“mlog/log.go:190”,“msg”:“Error checking if bucket exists.”,“path”:"/api/v4/file/s3_test",“request_id”:“c8obsj5srjd6un7i7qck7tnddr”,“ip_addr”:“67.167.216.82”,“user_id”:“mwojbktda7gftkug59dzz6yg8a”,“method”:“POST”,“err_where”:“TestFileConnection”,“http_code”:500,“err_details”:“Get “http://169.254.169.254/latest/meta-data/iam/security-credentials/”: dial tcp 169.254.169.254:80: i/o timeout”}