There are errors in the following MySQL queries

Hello, need help

when i want to uninstall any model from the admin to upgrade them i cannot. I get 

Uninstallation of: EVO Wall - News Feed Failed

On the top of the paGE I GET this error:

Warning: Invalid argument supplied for foreach() in /home/toottii/public_html/inc/classes/BxDolInstaller.php on line 441

Warning: Cannot modify header information - headers already sent by (output started at /home/toottii/public_html/inc/classes/BxDolInstaller.php:441) in /home/toottii/public_html/inc/admin_design.inc.php on line 48

Although this does not address your issue, it is important to know.  Please note that uninstalling some modules will mean lost of data for that module.  If you need to upgrade a module that has data stored, such as articles, then you need to backup the database tables for that module first.

Hello

1. You see a Warning on the top of the page because (un)installation script wants to print MySQL query which causing the error just after "There are errors in the following MySQL queries:" and cannot do it for some unknown reason.

2. Try to check bug report email box. It should have detailed description of the appeared errors, which may help you to understand and fix them. If not then the problem should be investigated directly on your site.