For Jira Cloud
- The address of your Jira Cloud site (check the address bar of your browser; e.g. myCloudSite.atlassian.net),
- The exact time when you started noticing problems.
For Jira Server / Data Center
- The fine-grained application logs (generated according to the steps shown under Reporting procedure),
- The exact time when you started noticing problems or attempted to have them reproduced per the afore-mentioned instructions.
If you have no possibility to get the fine-grained application logs:
- Contact your Jira admin.
- Attach an atlassian-jira.log file.
- State the exact time when you started noticing problems.
Refer to the BigPicture Power-Up for Trello Troubleshooting Guide.