This page describes the operations performed by the add-on when running one of the the Approval Reindex is runningoperations available on the Troubleshooting and Support screen. 

Reindexing

WorkFlow Cleaning

for each workflow controls if it is not an instance of DefaultJiraWorkflow, if it's true removes the approval condition on each transaction of workflow managementFor each workflow, exception made for the Default JIRA Workflow, the routine removes the approval condition on each transition.

Fix User On Approval

for each   approval controls if the comma separete for uses is different of ",", if it's true set the comma separete to ","

...

if exist issue to be Refreshed return number of issue, if not return reindex message

WorkFlow Cleaning

For each workflow, exception made for the Default JIRA Workflow, the routine removes the approval condition on each transition.

If all workflows have been successful cleaned a message informing is returned.

If any workflow has not been successful cleaned a message reports the list of workflows still affected by Approval conditions.