Drupal\Core\Database\IntegrityConstraintViolationException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'langcode' cannot be null: UPDATE "paragraphs_item" SET "revision_id"=:db_update_placeholder_0, "type"=:db_update_placeholder_1, "uuid"=:db_update_placeholder_2, "langcode"=:db_update_placeholder_3 WHERE "id" = :db_condition_placeholder_0; Array ( [:db_update_placeholder_0] => 4525246 [:db_update_placeholder_1] => paragraph [:db_update_placeholder_2] => be20accb-8591-4640-9bda-a0b1861d4326 [:db_update_placeholder_3] => [:db_condition_placeholder_0] => 3622286 ) in Drupal\mysql\Driver\Database\mysql\ExceptionHandler->handleExecutionException() (line 50 of C:\xampp\htdocs\cmacgm\dev\docroot\core\modules\mysql\src\Driver\Database\mysql\ExceptionHandler.php).
Fixed
1.3
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Thanks for reporting, I can see the bug related to the recent changes, I'm going to release it ASAP