TypeError: Return value of Minds\Core\Permissions\Delegates\ChannelRoleCalculator::getChannelForEntity() mus...

Sentry Issue: ENGINE-EN

TypeError: Return value of Minds\Core\Permissions\Delegates\ChannelRoleCalculator::getChannelForEntity() must be an instance of Minds\Entities\User, null returned
  File "/Core/Permissions/Delegates/ChannelRoleCalculator.php", line 72, in Minds\Core\Permissions\Delegates\ChannelRoleCalculator::getChannelForEntity
    return $this->entitiesBuilder->single($entity->getOwnerGuid());
  File "/Core/Permissions/Delegates/ChannelRoleCalculator.php", line 43, in Minds\Core\Permissions\Delegates\ChannelRoleCalculator::calculate
    $channel = $this->getChannelForEntity($entity);
  File "/Core/Permissions/Permissions.php", line 101, in Minds\Core\Permissions\Permissions::getRoleForEntity
    $role = $this->channelRoleCalculator->calculate($entity);
  File "/Core/Permissions/Permissions.php", line 79, in Minds\Core\Permissions\Permissions::calculate
    $this->entities[$entity->getGuid()] = $this->getRoleForEntity($entity);
  File "/Core/Permissions/Manager.php", line 64, in Minds\Core\Permissions\Manager::getList
    $permissions->calculate($entities);
...
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