MUTRUNCNOSPKEEP, Region rrrr has insufficient space to meet truncate target percentage of pppp with keep at bbbb blocks
MUPIP Information: MUPIP REORGE -KEEP for region rrrr could not meet the specified percentage pppp so it left all the available blocks bbbb.
Action: None required, other than evaluating the space situation for the region and file system to ensure that it is wholesome and does not require additional intervention.