Fehler nach Auswahl des Templates

Hallo! Ich wollte eine neue Installation anlegen und dabei erscheint nachfolgende Fehlermeldung:

Warning: require_once(config-gutenberg/class-avia-gutenberg.php): Failed to open stream: No such file or directory in /usr/www/users/kreatizc/pike/wp-content/themes/enfold-neu/functions.php on line 843

Fatal error: Uncaught Error: Failed opening required ‘config-gutenberg/class-avia-gutenberg.php’ (include_path=’.:/usr/local/lib/php/’) in /usr/www/users/kreatizc/pike/wp-content/themes/enfold-neu/functions.php:843 Stack trace: #0 /usr/www/users/kreatizc/pike/wp-settings.php(591): include() #1 /usr/www/users/kreatizc/pike/wp-config.php(96): require_once(‘/usr/www/users/…’) #2 /usr/www/users/kreatizc/pike/wp-load.php(50): require_once(‘/usr/www/users/…’) #3 /usr/www/users/kreatizc/pike/wp-admin/admin.php(34): require_once(‘/usr/www/users/…’) #4 /usr/www/users/kreatizc/pike/wp-admin/themes.php(10): require_once(‘/usr/www/users/…’) #5 {main} thrown in /usr/www/users/kreatizc/pike/wp-content/themes/enfold-neu/functions.php on line 843

Wie kann ich das beheben?

LG Oliver