from where this error come from?
 

from where this error come from?

Circonian's addon profiles + Addon clearer (multiselect).
> Please disable Addon clearer as the functions were included into Circonian's addon selector.

How to find out:
Either read addon changelog before updates ;-)
Or use tool like Notepad++ and search for the error string (e.g. ADDONS_SELECT_ALL) within all files -> 1 search via menu search -> search in files and select your AddOns folder and search in all files *.lua