ErrorException [ 2048 ]: Only variables should be passed by reference ~ HCLASSES/Controller/Numbers.php [ 21 ] #0 /var/docker/www/kontrakt/vhosts/kontrakty.ua/classes/Controller/Numbers.php(21): RLSException::error_handler(2048, 'Only variables ...', '/var/docker/www...', 21, Array) #1 [internal function]: Controller_Numbers->action_index() #2 /var/docker/www/kontrakt/classes/Request/Client/Internal.php(119): ReflectionMethod->invoke(Object(Controller_Numbers)) #3 /var/docker/www/kontrakt/classes/Request/Client.php(64): Request_Client_Internal->execute_request(Object(Request)) #4 /var/docker/www/kontrakt/classes/Request.php(1095): Request_Client->execute(Object(Request)) #5 /var/docker/www/kontrakt/index.php(315): Request->execute() #6 {main}