While saving any other media type , getting error Drupal\Core\Entity\EntityStorageException: Field is unknown. in Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (line 817 of core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).

While saving any other media type , getting error Drupal\Core\Entity\EntityStorageException: Field is unknown. in Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (line 817 of core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).

Try to save any other existing /new media in a Drupal project where keepeek module is installed.

Verify if the json field exists rather than directly fetching the value of json in keepeek_media_update() and keepeek_media_delete().