Argument #2 ($name) must be of type string, null given,

[tobi-dotcom]

Hello,
This error message occurred when attempting to create a test application:

Oops, an error occurred! Request: 60deb7132d019- Exception: Symfony\Component\Mime\Address::__construct(): Argument #2 ($name) must be of type string, null given, called in /vendor/itx/jobapplications/Classes/Controller/ApplicationController.php on line 461, in file vendor/typo3/cms-frontend/Classes/ContentObject/ContentObjectRenderer.php:667