Fatal error: Uncaught Nette\InvalidStateException: Ambiguous class ColumnValidator resolution; defined in /hosting/www/prekazky.cz/_/!/libs/WDB/WDB/Ajax/ColumnValidator.php and in /hosting/www/prekazky.cz/_/!/libs/WDB/WDB/Validation/ColumnValidator.php. in phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/RobotLoader/RobotLoader.php:46 Stack trace: #0 [internal function]: Nette\Loaders\RobotLoader->rebuildCallback() #1 phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/Caching/Cache.php(32): call_user_func_array() #2 [internal function]: Nette\Caching\Cache->Nette\Caching\{closure}() #3 phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/Caching/Cache.php(58): call_user_func_array() #4 phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/Caching/Cache.php(31): Nette\Caching\Cache->save() #5 phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/RobotLoader/RobotLoader.php(19): Nette\Caching\Cache->load() #6 /hosting/www/prekazky.cz/_/!/app/bootstrap.php(28): Nette\Loaders\RobotLoader->register() #7 /hosting/www/prekazky.cz/_/index.php(16): require('...') #8 {main} thrown in phar:///hosting/www/prekazky.cz/_/!/libs/Nette/nette.phar/RobotLoader/RobotLoader.php on line 46