I\'m hoping the hivemind has some more suggestions on dealing with this error from Yii Framework. The exact error, specific to our setup is:
Yii caches db metadata, probably that is the issue? Try to clear your metadata cache or disable cache at all.
The /wwwroot/assets
folder usually contains those cache files.
Check also that you haven't run out of space on your device (disk).
Source: Quoting one of the comments to this Question - Yii Framework: The table for active record class cannot be found in the database