I've found this below.
mplr30306 rls 5.5, 6.0, 7.0. fixed in rls 7.5
BUG6071 from IN_CR_RANGE : CR_MATCH : LINE_MATCH : TERMCRPTR : MAIN_AUDIT
BUG6071 Invalid CR pointer 0x5004. CR range is (0x6f8f780, 0x759db32)
If an acd agent is idle then audit passes CR_PTR with a value of 0 to CR_MATCH. If EES_BIT:CR_PTR and CCR_IVR_CR:CR_PTR are not 0 then BUG6071 is printed as the value of CCR_IVR_CR:CR_PTR is out of range.
This will happen for all idle agents.
Example:
0087] 05/07/2010 01:04:09 BUG6071 Invalid CR pointer 0x5004. CR range is (0x6f8f780, 0x759db32)
edi = 0216e000 esi = 00a017b7 ebp = 02a13a38 esp = 02a13a08
ebx = 02a13a10 edx = 00000000 ecx = 00005004 eax = 06f8f780
eflags = 00000202 pc = 0191c204
Return Address Stack:
01126ed0 (IN_CR_RANGE+a0)
01ba0a5b (MAIN_AUDIT$TERMCRPTR$LINE_MATCH$CR_MATCH+4f)
01ba0074 (MAIN_AUDIT$TERMCRPTR$LINE_MATCH+158)
01b9fa4a (MAIN_AUDIT$TERMCRPTR+9a6)
01b98eff (MAIN_AUDIT$CRAUDIT$ACDPM$A_ACD_IDLE_POS+1b)
01b98aa4 (MAIN_AUDIT$CRAUDIT$ACDPM+b4)
01b8b61f (MAIN_AUDIT$CRAUDIT+22b)
01b7f682 (MAIN_AUDIT+16e)
01b03387 (OVL_SUPERVISOR$CALLOVERLAY+1ab)
Stack (top = 0x2a13a08):
02a13a08: 00005004 02a13ac0 0216e000 00a017b7 02a13a38 02a13a08 02a13a10 00000000
02a13a28: 00005004 06f8f780 00000202 0191c204 02a13a58 01126ed0 00a017b7 00005004
02a13a48: 06f8f780 0759db32 021886bc 00000000 02a13a78 01ba0a5b 00005004 02a13a94
02a13a68: 00000000 0216e000 02a13ac0 021886bc 02a13abc 01ba0074 02a13ac0 02a13b10
02a13a88: 02a13b8c 00000000 021886bc 00000000 02a13ac0 00a1893a 00000000 00000000
02a13aa8: 00000158 00000001 0216e000 02a13b10 021886bc 02a13b0c 01b9fa4a 02a13b10
02a13ac8: 02a13b8c 00000000 00000246 0035b430 03cfd660 00000000 00000410 0762d7d6
02a13ae8: 04526842 0762d848 045267f2 0762dd9f 04523a35 04523a0c 02a13b8c 02a13b74
02a13b08: 021886bc 02a13b2c 01b98eff 02a13b8c 00000001 02a13b54 02a13b8c 02a13b74
02a13b28: 021886bc 02a13b50 01b98aa4 02a13b54 02a13b74 02a13b8c 06f8fe72 0216e000
02a13b48: 02a13b74 021886bc 02a13b70 01b8b61f 02a13b74 02a13b8c 0000000b 0216e000
02a13b68: 02a13b8c 021886bc 02a13b88 01b7f682 02a13b8c 0216e000 00000000 021886bc
02a13b88: 02a13ba8 01b03387 00000000 02a13bb0 00000004 0216e000 00000000 021886bc
For older software versions, fit patch MPLR21348
All the best
Firebird Scrambler
Meridian 1 / Succession and BCM / Norstar Programmer in the UK
If it's working, then leave it alone!.