Error Message after download update 1.5.6

This is the error message I am receiving

Can not find the component/level to check the latest version : 'hikashop' / ''

I have tried restoring my backup files but the error continues. Any help would be appreciated
Charles

You will find more information about that problem on that thread: www.hikashop.com/en/forum/3-bug-report/1...-to-check.html#10453