# Errors in the log - setAttribute, read property **URL:** \ **Category:** Troubleshooting\ **Created:** [January 20, 2016, 3:16pm UTC](https://forum.mattermost.com/t/errors-in-the-log-setattribute-read-property/786 "2016-01-20T15:16:17Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![skaraliu](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mattermost.com/skaraliu/32/361_2.png) [@skaraliu](https://forum.mattermost.com/u/skaraliu)\ **Post date:** [January 20, 2016, 3:16pm UTC](https://forum.mattermost.com/t/errors-in-the-log-setattribute-read-property/786/1 "2016-01-20T15:16:17Z")
Exhibit A > Uncaught TypeError: Cannot read property ‘setAttribute’ of null row: 174 col: 41 stack: TypeError: Cannot read property ‘setAttribute’ of null url: http://… Exhibit B > Uncaught TypeError: Cannot read property ‘setAttribute’ of null row: 164 col: 41 stack: TypeError: Cannot read property ‘setAttribute’ of null url: http://… Exhibit C > msg: Uncaught TypeError: Cannot read property ‘scrollHeight’ of null row: 11 col: 4466 stack: TypeError: Cannot read property ‘scrollHeight’ of null url: http://… All these error registered with append: /api/v1/admin/log\_client:client code=500 These errors show with a strange row 164, 173 specific row / col. Could it be from the mysql incompatibility? The sistem works fine, no issues encountered. But these red errors … Ubuntu 14.4, MySQL (not PostgreSQL), one server, VPS. ---
**Author:** ![it33](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mattermost.com/it33/32/3_2.png) [@it33](https://forum.mattermost.com/u/it33)\ **Post date:** [January 22, 2016, 5:49pm UTC](https://forum.mattermost.com/t/errors-in-the-log-setattribute-read-property/786/2 "2016-01-22T17:49:42Z")
Thanks @skaraliu, appreciate the report, these seem to be non-critical javascript errors that occur in certain environments, would definitely appreciate [issues filed](http://www.mattermost.org/filing-issues/) if repro steps can be found, or even pull requests to clear these.