Errors in the log - setAttribute, read property

Troubleshooting
1

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.

2

Thanks @skaraliu, appreciate the report, these seem to be non-critical javascript errors that occur in certain environments, would definitely appreciate issues filed if repro steps can be found, or even pull requests to clear these.