What steps will reproduce the problem?
1. Send a MAM query with a negative time rage (ie start > end)
What is the expected output?
What do you see instead?
Please provide any additional information below.
Should probably be rejected with some error, as it suggests a programming error in the client.
Noticed by Ge0rG, encountering some poezio bug
Should be easy to do, if anyone wants to try for a patch.