My b2evolution Version: 2.x

I have a working install and the only problem I have had so far, that I could not fix is when admin or a user trys to add a widget. When the Add widget link is clicked from the Widgets tab, under the Blog settings we get this error.

Widgets available for insertion into «Header»
Blog list:

Warning: load_class(/home/dmsid7/www/grblogs.com/inc/widgets/widgets/_colls_list_public.widget.php) [function.load-class]: failed to open stream: No such file or directory in /home/dmsid7/www/grblogs.com/inc/_core/_class4.funcs.php on line 40

Fatal error: load_class() [function.require]: Failed opening required '/home/dmsid7/www/grblogs.com/inc/widgets/widgets/_colls_list_public.widget.php' (include_path='.:/usr/local/lib/php') in /home/dmsid7/www/grblogs.com/inc/_core/_class4.funcs.php on line 40

And the answer is...