After saving a media entity with a video embed field, I get the following errors and no thumbnail image is generated for the video.
New Error:
Notice: Undefined property: stdClass::$thumbnail_url in Drupal\video_embed_field\Plugin\video_embed_field\Provider\Vimeo->getRemoteThumbnailUrl() (line 45 of modules/video_embed_field/src/Plugin/video_embed_field/Provider/Vimeo.php).
Old Errors:
Warning: file_get_contents(http://vimeo.com/api/v2/video/202783009.json): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in Drupal\video_embed_field\Plugin\video_embed_field\Provider\Vimeo->oEmbedData() (line 58 of modules/video_embed_field/src/Plugin/video_embed_field/Provider/Vimeo.php).
Notice: Trying to get property of non-object in Drupal\video_embed_field\Plugin\video_embed_field\Provider\Vimeo->getRemoteThumbnailUrl() (line 48 of modules/video_embed_field/src/Plugin/video_embed_field/Provider/Vimeo.php).
Closed: won't fix
1.5
Video Embed Media
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It's likely this issue predates Contrib.social: some issue and comment data are missing.