Sacred lord, hopefully someone will finally notice these clearly sticky post BEFORE posting here again and again ...
Happy new year:
-> "If you have a specific addon related question or bug report"
Enter "Master Merchant" or similar, and click on that addon in the list, READ it's description and FAQ and sticky comments for bug fixing and follow that information first!
Read the last comments other users wrote there and see if your bug was mentioned and a fix is mentioned too OR the dev already said he knows and works on it.
After that, if it does not fix your issue: Post a comment directy at the addon, not here in the forums.
And the dev(s) will see it and help you there.
Thanks for following these simple rules: First read, then post! ;-)