[phpBB Debug] PHP Notice: in file /install/install_install.php on line 67: Undefined property: install_install::$p_master

Fatal error: Uncaught Error: Call to a member function inst_language_select() on null in /home/public/install/install_install.php:67 Stack trace: #0 /home/public/install/index.php(405): install_install->main('install', 'intro') #1 /home/public/install/index.php(282): module->load() #2 {main} thrown in /home/public/install/install_install.php on line 67