The file blob plugin fails if the target directory does not yet exist.
Warning: file_put_contents(public://2022-05/joejoe-bord-WEB.png): Failed to open stream: "Drupal\Core\StreamWrapper\PublicStream::stream_open" call failed in Drupal\migrate_plus\Plugin\migrate\process\FileBlob->putFile() (regel 160 van (...)/web/modules/contrib/migrate_plus/src/Plugin/migrate/process/FileBlob.php)
Attempt to write a file to a non-existing subdirectory of the public files directory. The directory is not automatically created as it should.
Attempt to create the directory or change its permissions before writing files.
Fixed
6.0
Plugins
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.
Issue #3279861 by DieterHolvoet, heddn: File blob plugin fails if target...
Automatically closed - issue fixed for 2 weeks with no activity.