XF 1.1 MySQLi Error when importing styles

[Exiso]

Hey guys!

This is what I get when I'm importing a style.

What I tried to do by now is:

- deactivate all addons that are changing the way the site looks

Mysqli statement execute error : Duplicate entry '10-xenBase_sidebar_visitorpanel' for key 'definition_style_id_property_name'

Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297
Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
Zend_Db_Adapter_Abstract->query() in Zend/Db/Adapter/Abstract.php at line 574
Zend_Db_Adapter_Abstract->insert() in XenForo/DataWriter.php at line 1591
XenForo_DataWriter->_insert() in XenForo/DataWriter.php at line 1580
XenForo_DataWriter->_save() in XenForo/DataWriter.php at line 1381
XenForo_DataWriter->save() in XenForo/Model/StyleProperty.php at line 2275
XenForo_Model_StyleProperty->importStylePropertiesFromArray() in XenForo/Model/StyleProperty.php at line 2187
XenForo_Model_StyleProperty->importStylePropertyXml() in XenForo/Model/Style.php at line 533
XenForo_Model_Style->importStyleXml() in XenForo/ControllerAdmin/Style.php at line 181
XenForo_ControllerAdmin_Style->actionImport() in XenForo/FrontController.php at line 313
XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 132
XenForo_FrontController->run() in /www/htdocs/w02130823/forum/admin.php at line 13

Can you help me out?

Thanks in advance!

Oh gosh, it turns out that I'm just too stupid to pick the correct version of that style.