ManualsGT.M Message and Recovery Procedures ManualMUTRUNCNOTBGMUTRUNCNOTBGMUTRUNCNOTBG MUTRUNCNOTBG, Region rrrr does not have access method BGMUPIP Error: The truncate feature is only supported with the BG access method.Action: Use the BG access method for files you wish to truncate.MUTRUNCNOSPKEEPMUTRUNCNOV4