In order for your bug-report to be accepted (showed on bug tracker) you need to provide the following details:
Character name where it happened.
Approximate server time when it happened.
Short description.
Proof of the bug (either screens or videos, videos always helps much better) while this is optional it is highly recommended.
How to reproduce it (if you can reproduce it):
Any other details (optional).
If you provide this details, your report will be manually accepted by one of our staff members, if you don't, it will simply be rejected and ignored.
After your report is accepted, we will analyze it and confirm it or deny it (players can also help us by commenting on the report / adding any other details may be needed).
Example of a correct bug report: