Addon List Error

When I choose addons i get the list but no names and description on some of them. Also in ADMIN the menu name for the addons are incorrect. What files or ? am I missing.

Please see pictures below.



Menu missing Names etc…

Please advise thanks

Did you add any languages recently? Looks like the language was added incorrectly.

There are many reasons that can lead to such problem.

First of all, it is the incorrect language package or the installation was incorrect.

Please say what you have done before this problem.

Also you may contact us and we will check your website and fix this problem.

Best regards, Alt-team.

Did you find a reason of the issue?