// Add a message around the missing class
$message = sprintf('[%s:%d] Registry key %s does not include a class with implemented interface <u>Manageable(User|Guest)</u>.',
$classArray[0]->__toString(),
// Add a message around the missing class
$message = sprintf('[%s:%d] Registry key %s does not include a class with implemented interface <u>Manageable(User|Guest)</u>.',
$classArray[0]->__toString(),