issue description :
1)Navigate to the Issue navigator screen.
2)Search for the issues
3)click on export and then select charts(Export-->charts)
4)select column order gadget(export->charts->ColumnOrder)
Actual Result:
Internal server error message is getting displayed.
We are expecting there exported the column order gadget
Note : we observed this issue in JIRA V5.1.8,V6.2.1 and V6.2.5
Please find the attached document for the Screenshot.
