Fatal error: Uncaught InvalidArgumentException: Identifier "bootstrapper" is not defined. in /srv/users/serverpilot/apps/matecatblog/public/wp-content/plugins/boxzilla/src/di/class-container.php:95 Stack trace: #0 /srv/users/serverpilot/apps/matecatblog/public/wp-content/plugins/boxzilla/src/di/class-container-with-property-access.php(21): Boxzilla\DI\Container->offsetGet('bootstrapper') #1 /srv/users/serverpilot/apps/matecatblog/public/wp-content/plugins/boxzilla-theme-pack/bootstrap.php(14): Boxzilla\DI\ContainerWithPropertyAccess->__get('bootstrapper') #2 /srv/users/serverpilot/apps/matecatblog/public/wp-content/plugins/boxzilla-theme-pack/boxzilla-theme-pack.php(34): require('/srv/users/serv...') #3 /srv/users/serverpilot/apps/matecatblog/public/wp-includes/class-wp-hook.php(286): _load_boxzilla_theme_pack_plugin('') #4 /srv/users/serverpilot/apps/matecatblog/public/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #5 /srv/users/serverpilot/apps/matecatblog/public/wp-includes/plugin.php(465): WP_ in /srv/users/serverpilot/apps/matecatblog/public/wp-content/plugins/boxzilla/src/di/class-container.php on line 95