[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/template/twig/loader.php on line 19: Declaration of phpbb/template/twig/loader::findTemplate($name) should be compatible with Twig/Loader/FilesystemLoader::findTemplate($name, $throw = true)

Fatal error: Uncaught Error: Call to private method Twig\Loader\FilesystemLoader::validateName() from context 'phpbb\template\twig\loader' in /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/phpbb/template/twig/loader.php:140 Stack trace: #0 /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/vendor/twig/twig/src/Loader/FilesystemLoader.php(150): phpbb\template\twig\loader->findTemplate('message_body.ht...') #1 /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/vendor/twig/twig/src/Environment.php(299): Twig\Loader\FilesystemLoader->getCacheKey('message_body.ht...') #2 /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/vendor/twig/twig/src/Environment.php(381): Twig\Environment->getTemplateClass('message_body.ht...') #3 /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/phpbb/template/twig/environment.php(277): Twig\Environment->loadTemplate('message_body.ht...', NULL) #4 /home/u996165643/domains/kertsopoulos.com/public_ht in /home/u996165643/domains/kertsopoulos.com/public_html/magnetism/forum2/phpbb/template/twig/loader.php on line 140