When we have a workflow with nodes in more than one tenat, when generating the PackOut, all nodes are carried, not only from the current tenant.
Test case reproducible:
log into System
pack out the workflow Process_Requisition
try to pack in the same file
Error: org.adempiere.pipo2.exception.POSaveFailedException: Failed to save WorkflowNode Open Requisitions
because is trying to insert the nodes from GardenWorld with same UUID