I'm trying to add a Chart block as Layout Builder component using a custom block type with Easychart field. I'm not able to save the block because of the following error:
TypeError: Argument 2 passed to Drupal\easychart\EasychartHelper::easychartPrintChart() must be of the type string, null given, called in /var/www/docroot/modules/contrib/easychart/src/Plugin/Field/FieldFormatter/Easychart.php on line 36 in Drupal\easychart\EasychartHelper::easychartPrintChart() (line 25 of /var/www/docroot/modules/contrib/easychart/src/EasychartHelper.php)
It looks like the view action is triggered before the block entity is created, so ID is not available yet.
Use uuid property, which is supposed to be unique across multiple entity types and even Drupal instances.
In the current version, there might be some collisions when 2 entities have the same IDs but different entity types. Using UUID identifier will make sure it wouldn't happen.
Fixed
3.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Whilst the earlier fix was merged, this was only to the 3.x branch, and the commit was never included in the 4.x branch.
Due to this, I encountered the same issue as originally described, using Drupal 10.2 and EasyChart 4.0.9 (with Layout Builder).
I have attached a re-roll of the earlier patch, but for 4.x.