[phpBB Debug] PHP Warning: in file [ROOT]/gallery/album.php on line 21: Use of undefined constant GALLERY_ROOT_PATH - assumed 'GALLERY_ROOT_PATH' (this will throw an Error in a future version of PHP)

Fatal error: Uncaught phpbb\language\exception\language_file_not_found: Language file ../language/en/mods/gallery_ucp.php couldn't be opened. in /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language_file_loader.php:186 Stack trace: #0 /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language_file_loader.php(143): phpbb\language\language_file_loader->get_language_file_path('../language/', 'mods/gallery_uc...', Array) #1 /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language_file_loader.php(77): phpbb\language\language_file_loader->load_file('../language/', 'mods/gallery_uc...', Array, Array) #2 /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language.php(625): phpbb\language\language_file_loader->load('mods/gallery_uc...', Array, Array) #3 /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language.php(184): phpbb\language\language->load_core_file('mods/gallery_uc...') #4 /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/user.php(566): phpbb\language\language->add_lan in /var/www/u0861402/data/www/autoclub-ix35.ru/phpbb/language/language_file_loader.php on line 186