Warning: Uncaught exception 'ErrorException' with message 'Undefined variable: db' in /home/admin/web/psylab.cc/public_html/library/rellect/NodesGrid/Install/Controller.php:41
Stack trace:
#0 /home/admin/web/psylab.cc/public_html/library/rellect/NodesGrid/Install/Controller.php(41): XenForo_Application::handlePhpError(8, 'Undefined varia...', '/home/admin/web...', 41, Array)
#1 /home/admin/web/psylab.cc/public_html/library/rellect/NodesGrid/Install/Controller.php(51): rellect_NodesGrid_Install_Controller::isFieldExists('grid_column', 'xf_node')
#2 [internal function]: rellect_NodesGrid_Install_Controller::uninstall(Array) #3 /home/admin/web/psylab.cc/public_html/library/XenForo/DataWriter/AddOn.php(200): call_user_func(Array, Array)
#4 /home/admin/web/psylab.cc/public_html/library/AddOnInstaller/DataWriter/AddOn.php(10): XenForo_DataWriter_AddOn->_postDelete()
#5 /home/admin/web/psylab.cc/public_html/library/XenForo/DataWriter.php(1779): AddOnInstaller_DataWriter_AddOn->_postDelete()
#6 /home/admin/web/psylab.cc/publi in /home/admin/web/psylab.cc/public_html/library/rellect/NodesGrid/Install/Controller.php on line 41
Fatal error: Call to a member function fetchRow() on a non-object in /home/admin/web/psylab.cc/public_html/library/rellect/NodesGrid/Install/Controller.php on line 41