User selects one or more contacts, then selects action 'Register participants for event' and nothing happens - zilch. In fact, none of the actions work at all. This system was restored last Sunday after a migration failure, so I rebuilt triggers with civicrm/menu/rebuild?reset=1&triggerRebuild=1 but this didn't fix the problem. So perhaps something broke in the restore? Release 5.28.3 / Drupal. Ideas on how to fix, please?

1 Answer 1


I fixed this by disabling the Bootstrap theme and then re-enabling it. Other users had also had this problem, usually involving Shoreditch and/or Bootstrap.

  • I'm having the same problem in CiviSpark, so there is no theme to disable/enable Commented Mar 10, 2021 at 23:15
  • @DanielKohn - Welcome to SE. If you have a problem with Spark you would be better asking in the Spark support channel on chat.civicrm.org
    – Aidan
    Commented Mar 12, 2021 at 9:44

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