After upgrading to JIRA version 4.4.3 with Greenhopper plugin we are not able to clone issues.
When trying to clone we get the followig warning:
The clone link type Cloners does not exist. A link to the original issue will not be created.
and the following error:
Exception: com.atlassian.greenhopper.service.rank.RankException: Tail entry is missing in rank table! Please update the rank table and ensure that there is exactly one issue that has no child.
Greenhopper Configuration-> project templates -> Ranking field is set up as follows:
Ranking Field
To rank issues within GreenHopper you must have a GreenHopper Ranking field configured.
Ranking Field:
Field Name Actions
Rank Remove Field