When placing a block that uses the entity context inside a panelized node, selecting this context does not work due to validation errors.
After some trial and error, it seems this is due to the context not having a name which might or might not cause the #option to be ignored (maybe an array_filter call or something).
Review.
Needs work
4.0
IPE integration
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
At Drupal 9.5 we have this error:
Error: Class "Drupal\panelizer\Plugin\PanelsStorage\ContextDefinition" not found in Drupal\panelizer\Plugin\PanelsStorage\PanelizerDefaultPanelsStorage->getEntityContext() (line 128 of .../modules/contrib/panelizer/src/Plugin/PanelsStorage/PanelizerDefaultPanelsStorage.php).
We attached a new patch for Drupal 9.5 and panelizer 8.x-4.4