Multisite: Can’t Post or Create Categories

Check out if you have proper user roles set for your user account in each site. To do so, open wp-admin/network, open Sites, and when you click Edit for each site, you can see users assigned and roles. There you can add your user to sites.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)