ABEND=00C4 UNDER PGM=OBJCHLO FOR OBJ=HSMMLOG

Document ID : KB000117873
Last Modified Date : 19/10/2018
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Issue:
After activating HSM LOGX/Y instead of PDA logs, now when trying to open Activity log or any Summary report, getting: TRAPPED ABEND=00C4 UNDER PGM=OBJCHLO FOR OBJ=HSMMLOG . 

CCSR010E GENESTAE S878 at 000D74C8 LMOD HSMLOGRD CSECT HSMLOGRD +000798 CAVANT 
CCSR021I OWNER = CA Vantage SRM R14.0 
CCSR022I MODULE = HSMLOGRD FMID = CCTUE00 RMID = CCTUE00 
CCSR060I BREAKING EVENT ADDRESS: 00000000 07FE8074 
CCSR061I PSW: 47041000 80000000 00000000 01771488 
CCSR062I ILC: 02 INTERRUPT CODE: 0D 
CCSR067I COMPLETION CODE S878 REASON CODE 00000010 
CCSR064I DATA AT PSW 01771482 : 00181610 0A0D18CE 18FB180C 
CCSR065I HOME = 0080 PRIMARY = 0080 SECONDARY = 0080 
CCSR070I GR00 - GR01 00000000_84000000 00000000_84878000 
CCSR070I GR02 - GR03 00000000_00871170 00000000_00000052 
CCSR070I GR04 - GR05 00000000_00872A60 00000000_00887960 
CCSR070I GR06 - GR07 00000000_8135C1D0 00000000_00F6F000 
CCSR070I GR08 - GR09 00000000_00000000 00000000_002A3328 
CCSR070I GR10 - GR11 00000000_00000000 00000000_7F4696D0 
CCSR070I GR12 - GR13 00000000_00004002 00000000_00006C08 
CCSR070I GR14 - GR15 00000000_00E58AB4 00000000_00000010 
CCSR071I AR00 - AR03 0000000B 00000000 00000000 00000000 
CCSR071I AR04 - AR07 00000000 00000000 00000000 00000000 
CCSR071I AR08 - AR11 00000000 00000000 00000000 00000000 
CCSR071I AR12 - AR15 00000000 00000000 00000000 00000000 
CCSR066I SDWAEC2 478D3000 000D74C8 from RB 
CCSR062I ILC: 02 INTERRUPT CODE: 13
Why?
Resolution:
PDA logs and LOGX/Y have different formats (different allocation attributes).
It is abending in open because you are using the same library names.
Allocating separated datasets for PDA and LOGX/Y with proper attributes solves the abend problem.