while updating to Joomla 3.6.0 this error occurred:

Duplicate column name 'last_check_timestamp' SQL=ALTER TABLE #__update_sites ADD COLUMN last_check_timestamp bigint(20) DEFAULT '0' AFTER enabled;

i had the same error while updating to Joomla 3.5.1

what is this? and how can i fix it?

1 Answer 1


Go into your backend and go to Extensions->Manage->Database

Click the Fix button top left


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.