Error Login Failed


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  • Used Zammad version: Latest version
  • Type of Zammad installation used: (source, package, docker-compose, …): Package
  • Operating system: Ubuntu 20.04
  • Browser + version: Google Chrome Latest version

Predictable behavior:

  • After migration zammad should work

Real behavior:

  • Following the migration of zammad from version 2.x to the latest version. I could not connect from the WEB interface.
    The error I have in zammad production.log is :
    Mysql2 :: Error: Table ‘zammad.active_job_locks’ doesn’t exist: SHOW FULL FIELDS FROM active_job_locks

Steps to reproduce the behavior:

  • Migrate from version 2.x to the latest version.

Can you tell me how I can correct this please

Did you upgrade in one step?
If so, your migrations are not applied successfull.
You should have seen that during upgrading.

Direct upgrades from e.g. 2.x to 4.x are not possible due to technical limitations.
Roll back if you have a backup and choose smaller steps:

  1. 2.1 → 2.4
  2. 2.4 → 3.0
  3. 3.0 → 3.4
  4. 3.4 → 4.0
  5. 4.0 → 5.0 (stable)

This thread might help:

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