We have a managed packaged with reports and Dashboards in folders. If we add a report to an existing folder and deploy it to customers, the package install keeps failing with:
"This folder unique name already exists for this folder type or has been previously used."
This is suggesting that to add 1 report to a folder we'd have to delete the folder and all reports in customer org first, create a different folder name, and install that way? That cannot be the expected behavior. We also can't really do that because we have LEX components using some of those reports.