( ! ) Fatal error: Uncaught exception 'UnexpectedValueException' with message 'Only string allowed.' in /var/www/teamcity/core/classes/SuperController.php on line 179
( ! ) UnexpectedValueException: Only string allowed. in /var/www/teamcity/core/classes/SuperController.php on line 179
Call Stack
#	Time	Memory	Function	Location
1	0.2003	233184	{main}( )	../index.php:0
2	0.2004	261928	Framework\Core\Classes\PageRenderer->__construct( )	../index.php:17
3	0.2400	1647240	Framework\Core\Classes\PageRenderer->executeController( )	../PageRenderer.php:69
4	0.2400	1647328	Framework\Core\Classes\PageRenderer->executeAction( )	../PageRenderer.php:374
5	0.2400	1664240	CategoryController->show( )	../PageRenderer.php:398
6	0.2410	1684784	Framework\Core\Classes\SuperController->setTitle( )	../CategoryController.php:99