Uninstalled module preventing d9 update

I have been asked to upgrade a site from Drupal 8 to Drupal 9.

Previously, there was a very problematic module called ‘support_ticket’ that caused many issues and would not properly uninstall. After a lot of work – I thought – it had been removed.

However, when running the drush updb command after the drupal 9 upgrade I got the following error:

>  [notice] Update started: system_post_update_entity_revision_metadata_bc_cleanup >  [error]  Drupalsupport_ticketSupportTicketStorage does not implement DrupalCoreEntityContentEntityStorageInterface  >  [error]  Update failed: system_post_update_entity_revision_metadata_bc_cleanup   [error]  Update aborted by: system_post_update_entity_revision_metadata_bc_cleanup   [error]  Finished performing updates.   

The following steps have been previously taken to purge this module (After the normal uninstall did not work)

  • Key-value entries removed from database
  • entities updated and removed that referenced the module
  • All tables associated with the module dropped from the DB (the ones we can find anyway)
  • All files/directories associated with the module removed (I have grep’d the entire code base and I can find no reference to it).

Most of this was done months ago and I thought the module was completely gone until I tried to run the final update with Drupal 9.

How do I get rid of this thing so I can update drupal?

This article was republished from its original source.
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Uninstalled module preventing d9 update

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