array_keys() expects parameter 1 to be array, string given [screenconf.php:207 ? CAPIObject->delete() ? CAPIObject->__call() ? czbxrpc::call() ? czbxrpc::callAPI() ? call_user_func() ? CTemplateScreen->delete() ? CTemplateScreen->validateDelete() ? CTemplateScreen->isWritable() ? CTemplateScreen->get() ? array_keys() in /home/www/zabbix/zabbix-trunk/frontends/php/api/classes/CTemplateScreen.php:237]