IPCNOTDEL, xxxx : yyyy did not delete IPC resources for region zzzz
MUPIP Information: This indicates that MUPIP did not delete the shared system resources of the region. The shared system resources may still be being in use by some other processes.
Action: Find out if some other process was attached to the shared system resource. If appropriate, issue MUPIP RUNDOWN REG * to remove the shared resource.