Tags dropdown is not showing all the tags created and when I type tag name (already existing on db) and add new I got duplicate Entry 500 error. and I always get a slug error after opening and updating inputs in the General Setting modal. 
Tags dropdown is not showing all the tags created and when I type tag name (already existing on db) and add new I got duplicate Entry 500 error.
and I always get a slug error after opening and updating inputs in the General Setting modal.
