Server crash, NSD log attached

This is causing our server to crash frequently, anyone have any solutions?

FATAL THREAD 56/80 [ nSERVER:0840:0990]

FP=09c7fa54, PC=600048ec, SP=09c7fa48, stksize=12

Exception code: c0000005 (ACCESS_VIOLATION)

############################################################

@[ 1] 0x600048ec nnotes._OSAddressInVARRAY@8+12 (0,0,0,c9bace8)

@[ 2] 0x600074c0 nnotes._STMFillPinAccessDescNSF@24+32 (c9bace8,0,0,0)

@[ 3] 0x600066c6 nnotes._BUFPin@24+166 (3c68c391,2eac05,60bcc120,0)

@[ 4] 0x6000695a nnotes._iNSFSlotPin@24+122 (3c68c391,2eac05,60bcc120,0)

@[ 5] 0x600068ab nnotes._NSFSlotPinCtx@24+235 (3c68c391,2eac05,60bcc120,0)

@[ 6] 0x60007f6c nnotes._BTEnter@20+412 (3c63e9a0,3c68c391,60bcc120,0)

@[ 7] 0x600507e9 nnotes._BTEnableHoldPinsCtx@12+73 (3c63e8ec,3c68c391,60bcc120,2927668)

@[ 8] 0x6005345c nnotes._EnableHoldPins@4+124 (3c68c0e8,34138124,3d47f510,2970000)

@[ 9] 0x60089256 nnotes._NIFUpdateCollectionNext@8+614 (3c68c0e8,2927668,0,3d47f510)

@[10] 0x10043f4e nserverl._ServerUpdateCollection@8+574 (8ef8001d,e74000e,3ce0c2d4,3d47d1e2)

@[11] 0x100191ac nserverl._DbServer@8+2284 (8ba2012b,8ef8001d,0,2361608)

@[12] 0x1002af88 nserverl._WorkThreadTask@8+1576 (37c294c,0,3,10ec3d1)

@[13] 0x100016cb nserverl._Scheduler@4+763 (0,10ec3d1,0,6000122f)

@[14] 0x6011d7b4 nnotes._ThreadWrapper@4+212 (0,6000122f,10ec3d1,0)

[15] 0x77e8b2d8 KERNEL32.lstrcmpiW+183

############################################################

PASS 2 : FATAL THREAD with STACK FRAMES 56/80 [ nSERVER:0840:0990]

FP=09c7fa54, PC=600048ec, SP=09c7fa48, stksize=12

Exception code: c0000005 (ACCESS_VIOLATION)

############################################################

---------- Top of the Stack ----------

   # 09c7fa48  0c9bace8 00000000 00000000 09c7fa70  |............p...|

@[ 1] 0x600048ec nnotes._OSAddressInVARRAY@8+12 (0,0,0,c9bace8)

   # 09c7fa54  09c7fa70 600074c0 00000000 00000000  |p....t.`........|

   # 09c7fa64  00000000 0c9bace8 3c63e8f8 09c7fad0  |..........c<....|

@[ 2] 0x600074c0 nnotes._STMFillPinAccessDescNSF@24+32 (c9bace8,0,0,0)

   # 09c7fa70  09c7fad0 600066c6 0c9bace8 00000000  |.....f.`........|

   # 09c7fa80  00000000 00000000 00000000 09c7fa9c  |................|

   # 09c7fa90  3c63e8f8 3c63e8f4 00000000 00000840  |..c<..c<....@...|

   # 09c7faa0  09c7fab4 600039c0 000005dc 00000001  |.....9.`........|

   # 09c7fab0  00000000 09c7fac0 60005a82 0c9bacea  |.........Z.`....|

   # 09c7fac0  09c7fadc 60005a48 00000000 09c7fb0c  |....HZ.`........|

@[ 3] 0x600066c6 nnotes._BUFPin@24+166 (3c68c391,2eac05,60bcc120,0)

   # 09c7fad0  09c7fb00 6000695a 3c68c391 002eac05  |....Zi.`..h<....|

   # 09c7fae0  60bcc120 00000000 00000000 3c63e8f8  | ..`..........c<|

   # 09c7faf0  00000001 3c68c391 00000000 00000000  |......h<........|

@[ 4] 0x6000695a nnotes._iNSFSlotPin@24+122 (3c68c391,2eac05,60bcc120,0)

   # 09c7fb00  09c7fb5c 600068ab 3c68c391 002eac05  |\....h.`..h<....|

   # 09c7fb10  60bcc120 00000000 00000000 3c63e8f4  | ..`..........c<|

   # 09c7fb20  3c63e8f4 3c63e8ec 00000000 00000002  |..c<..c<........|

   # 09c7fb30  09c7fb80 09c7fb40 6000943c 09c7fb58  |....@...<..`X...|

   # 09c7fb40  60009396 01146154 600010eb 600010eb  |...`Ta.....`...`|

   # 09c7fb50  60001128 3c63e9a0 00000000 09c7fb88  |(..`..c<........|

@[ 5] 0x600068ab nnotes._NSFSlotPinCtx@24+235 (3c68c391,2eac05,60bcc120,0)

   # 09c7fb5c  09c7fb88 60007f6c 3c68c391 002eac05  |....l..`..h<....|

   # 09c7fb6c  60bcc120 00000000 00000000 3c63e8f4  | ..`..........c<|

   # 09c7fb7c  3c68c391 60bcc120 00000000 09c7fbac  |..h< ..`........|

@[ 6] 0x60007f6c nnotes._BTEnter@20+412 (3c63e9a0,3c68c391,60bcc120,0)

   # 09c7fb88  09c7fbac 600507e9 3c63e9a0 3c68c391  |.......`..c<..h<|

   # 09c7fb98  60bcc120 00000000 09c7fbb4 3c68c391  | ..`..........h<|

   # 09c7fba8  029730e8 09c7fbcc 6005345c 3c63e8ec  |.0......\4.`..c<|

@[ 7] 0x600507e9 nnotes._BTEnableHoldPinsCtx@12+73 (3c63e8ec,3c68c391,60bcc120,2927668)

   # 09c7fbac  09c7fbcc 6005345c 3c63e8ec 3c68c391  |....\4.`..c<..h<|

   # 09c7fbbc  60bcc120 02927668 029730e8 00000000  | ..`hv...0......|

@[ 8] 0x6005345c nnotes._EnableHoldPins@4+124 (3c68c0e8,34138124,3d47f510,2970000)

   # 09c7fbcc  09c7fe04 60089256 3c68c0e8 34138124  |....V..`..h<$..4|

   # 09c7fbdc  3d47f510 02970000 600014a3 0114cdaa  |..G=.......`....|

   # 09c7fbec  3d47f510 09c7fc00 600ac890 00000000  |..G=.......`....|

   # 09c7fbfc  00000000 0000003e 00000000 00000000  |....>...........|

   # 09c7fc0c  00000000 3d47f510 00000001 6000122f  |......G=..../..`|

   # 09c7fc1c  600011cf 6000122f 3b49658e 3b3f22d3  |...`/..`.eI;."?;|

   # 09c7fc2c  3b3f22d1 00000990 09c7fc54 0000003e  |."?;....T...>...|

   # 09c7fc3c  00000002 00000001 09c7fc58 6000399f  |........X....9.`|

   # 09c7fc4c  3d1fad58 09c7fc78 0000001a 3b3f20e8  |X..=x........ ?;|

   # 09c7fc5c  09c7fd74 09c70000 09c7fc78 3c68c168  |t.......x...h.h<|

   # 09c7fc6c  3b3f20e8 09c7fd74 3d47f63e aaaf40ca  |. ?;t...>.G=.@..|

   # 09c7fc7c  5e502a1b 006c1a32 85256197 0022d74c  |.*P^2.l..a%.L.".|

   # 09c7fc8c  600011cf 6000122f 3b3f25fc 3b3f25fc  |...`/..`.%?;.%?;|

   # 09c7fc9c  09c7fcac 600014a3 3b3f25fc 09c7fd74  |.......`.%?;t...|

   # 09c7fcac  09c7fcb8 607053b5 00000840 3b3f22d1  |.....Sp`@...."?;|

   # 09c7fcbc  00000990 09c7fcdc 60003659 3b3f22d1  |........Y6.`."?;|

   # 09c7fccc  00000840 00000990 09c7fcec 3b3f22d1  |@............"?;|

   # 09c7fcdc  09c7fcfc 600035c4 3b3f22d1 60003630  |.....5.`."?;06.`|

   # 09c7fcec  00000110 00000110 0000010f 3d47f63e  |............>.G=|

   # 09c7fcfc  000003ef 000003ef 000003ee 000003ef  |................|

   # 09c7fd0c  00000110 00000002 09c7fdac 600aeec3  |...............`|

   # 09c7fd1c  000003ef 00000002 09c7fdbc 00000002  |................|

   # 09c7fd2c  3c68c391 6000421b 00000000 00000a12  |..h<.B.`........|

   # 09c7fd3c  024b00f8 029730e8 00000000 0114fae4  |..K..0..........|

   # 09c7fd4c  60009407 01146154 00157005 09c7fd70  |...`Ta...p..p...|

   # 09c7fd5c  60009407 01146154 0048b805 02920000  |...`Ta....H.....|

   # 09c7fd6c  02927668 3c68c0e8 6000943c 09c7fd94  |hv....h<<..`....|

   # 09c7fd7c  60009396 00000840 02973108 00000990  |...`@....1......|

   # 09c7fd8c  09c7fda8 60003659 02973108 00000840  |....Y6.`.1..@...|

   # 09c7fd9c  00000990 09c7fdb8 02973108 09c7fdc8  |.........1......|

   # 09c7fdac  600035c4 02973108 60003630 0297310a  |.5.`.1..06.`.1..|

   # 09c7fdbc  02927668 3c68c0e8 02973108 09c7fde0  |hv....h<.1......|

   # 09c7fdcc  60031237 0297310a 3c68c0e8 02920000  |7..`.1....h<....|

   # 09c7fddc  0000000e 09c7fe04 60088ec7 00000000  |...........`....|

   # 09c7fdec  0023de01 c1256d49 00000840 00000000  |..#.Im%.@.......|

   # 09c7fdfc  34138124 3d47f510 09c7fe48 10043f4e  |$..4..G=H...N?..|

@[ 9] 0x60089256 nnotes._NIFUpdateCollectionNext@8+614 (3c68c0e8,2927668,0,3d47f510)

   # 09c7fe04  09c7fe48 10043f4e 3c68c0e8 02927668  |H...N?....h<hv..|

   # 09c7fe14  00000000 3d47f510 00000001 0000032a  |......G=....*...|

   # 09c7fe24  00000000 00000000 3d470000 00000001  |..........G=....|

   # 09c7fe34  09c7fe48 6005c9e4 00000110 000001a0  |H......`........|

   # 09c7fe44  3ce0c2d4 09c7fe9c 100191ac 8ef8001d  |...<............|

@[10] 0x10043f4e nserverl._ServerUpdateCollection@8+574 (8ef8001d,e74000e,3ce0c2d4,3d47d1e2)

   # 09c7fe48  09c7fe9c 100191ac 8ef8001d 0e74000e  |..............t.|

   # 09c7fe58  3ce0c2d4 3d47d1e2 00000000 3d47d1e6  |...<..G=......G=|

   # 09c7fe68  600010eb 60001128 3d47d146 3d47d18a  |...`(..`F.G=..G=|

   # 09c7fe78  3d47d146 09c7fe8c 600010be 3d47d23a  |F.G=.......`:.G=|

   # 09c7fe88  00000001 6b00001d 3d47d118 3ce0c2d4  |.......k..G=...<|

   # 09c7fe98  0e74000e 09c7ff50 1002af88 8ba2012b  |..t.P.......+...|

@[11] 0x100191ac nserverl._DbServer@8+2284 (8ba2012b,8ef8001d,0,2361608)

   # 09c7fe9c  09c7ff50 1002af88 8ba2012b 8ef8001d  |P.......+.......|

   # 09c7feac  00000000 02361608 02ac00fc 65726854  |......6.....Thre|

   # 09c7febc  70206461 206c6f6f 626d656d 6f207265  |ad pool member o|

   # 09c7fecc  4354206e 00504950 000005b0 02bac00c  |n TCPIP.........|

   # 09c7fedc  02ac00fc 60001128 600010eb 60001128  |....(..`...`(..`|

   # 09c7feec  02ba9fda 49504354 02ba0050 09c7ff08  |....TCPIP.......|

   # 09c7fefc  600010be 02ba9fda 00000001 600011cf  |...`...........`|

   # 09c7ff0c  6000122f 8ba2012b 60001128 00000000  |/..`+...(..`....|

   # 09c7ff1c  0e74000e 01bd0056 8ba2012b 023653da  |..t.V...+....S6.|

   # 09c7ff2c  00000000 3ce0c2d4 0e74000e 0000000b  |.......<..t.....|

   # 09c7ff3c  50100001 0000003a 8ba2012b 0236532a  |...P:...+...*S6.|

   # 09c7ff4c  3d47d118 09c7ff94 100016cb 037c294c  |..G=........L)|.|

@[12] 0x1002af88 nserverl._WorkThreadTask@8+1576 (37c294c,0,3,10ec3d1)

   # 09c7ff50  09c7ff94 100016cb 037c294c 00000000  |........L)|.....|

   # 09c7ff60  00000003 010ec3d1 100013d0 00000001  |................|

   # 09c7ff70  600908d1 0000016c 60001421 010d2490  |...`l...!..`.$..|

   # 09c7ff80  02ac00fc 010d248d 8b790034 037c294c  |.....$..4.y.L)|.|

   # 09c7ff90  023652b8 09c7ffb4 6011d7b4 00000000  |.R6........`....|

@[13] 0x100016cb nserverl._Scheduler@4+763 (0,10ec3d1,0,6000122f)

   # 09c7ff94  09c7ffb4 6011d7b4 00000000 010ec3d1  |.......`........|

   # 09c7ffa4  00000000 6000122f 00000000 00000000  |..../..`........|

@[14] 0x6011d7b4 nnotes._ThreadWrapper@4+212 (0,6000122f,10ec3d1,0)

   # 09c7ffb4  09c7ffec 77e8b2d8 00000000 6000122f  |.......w..../..`|

   # 09c7ffc4  010ec3d1 00000000 7ff83000 c0000005  |.........0......|

   # 09c7ffd4  09c7ffc0 09c7f694 ffffffff 77ed136c  |............l..w|

   # 09c7ffe4  77e82a98 00000000 00000000 00000000  |.*.w............|

[15] 0x77e8b2d8 KERNEL32.lstrcmpiW+183

Thanks!