No error to ignore is reported on line 117.

Parameter #1 $file of method Drupal\niklan\ExternalContent\Asset\AssetManager::ensureFileIsPresented() expects Drupal\niklan\File\Entity\FileInterface, Drupal\file\Entity\File|null given.

Method Drupal\niklan\ExternalContent\Asset\AssetManager::syncWithFile() should return Drupal\niklan\File\Entity\FileInterface|null but returns Drupal\file\Entity\File|null.

Parameter #1 $filename of function file_exists expects string, string|null given.

Parameter #1 $path of function pathinfo expects string, string|null given.

Parameter #2 $destination of method Drupal\Core\File\FileSystemInterface::copy() expects string, string|null given.

Parameter #1 $media of static method Drupal\niklan\Utils\MediaHelper::getFile() expects Drupal\media\MediaInterface|null, mixed given.

Process completed with exit code 201.

Process completed with exit code 201.