You can only delete a production resource/tool (PRT):
If it is no longer assigned to an operation
If it is no longer linked to a document
Choose Logistics Production Master data Production resources/tools and then Prod. resources/tools PRT master (misc.) Change .
Logistics
Production
Master data
Production resources/tools
Prod. resources/tools PRT master (misc.)
Change
.
Enter the PRT key and choose .
Choose Prod.resource/tool Delete and confirm the command.
Prod.resource/tool
Delete