The error 'Package name must be unique' is caused when another package in the order has an identical name. Each package name needs a unique name. In the example below we added (_1) to make package name unique. Was this article helpful? 0 out of 0 found this helpful Related articles Learning Center ERROR- PACKAGE NAME ALREADY EXIST HOW DO I RESET MY PRISMA FOR SELLERS PASSWORD? Comments 0 comments Please sign in to leave a comment.