Drupal error. Drupal safe mode possible? I added organic groups module to a drupal website. For some reason the website crashed and gives the following error:

Fatal error: Unsupported operand types in /home/content/39/7384539/html/salvare12/sites/default/modules/og/includes/og.info inc on line 115


I removed the organic groups module manually and disabled it in the database. But then it gives a file missing error. I have uploaded the organic groups module once again but it does not work. 

How can this be fixed? Is there some safe mode in drupal, to which i can revert when such an error occurs?
Try deleting the row for the og module in the system table. Then run a query for each database table beginning with cache_:

TRUNCATE TABLE cache_*


This should make Drupal forget anything it knew about organic groups (this is how to clear the cache manually).

I'd suggest keeping your modules in the standard location which is /sites/all/modules rather than /sites/default. I don't know if thats part of the problem here but it might be.