To collect Google Chrome Browser logs when extension error happens, please take the following steps right after the error:
- Go to your Gmail. This is very important because we need the logs which are generated while Gmail is in use.
- Click on options. On MacOS, the options are shown as vertical ellipsis icon on the browser toolbar.
Click More Tools.
Select Developer Tools.
- Refresh Gmail and perform actions causing the problem.
Click Save As to save the Chrome browser console output.