Thor job crash in PARALLEL activity accessing unconnected edge input

00003436 AUD 2022-12-14 21:11:24.817 25669 25669 ",Timing,ThorGraph,thor10_80way,W20221214-201047,2,5,1,454874,SUCCESS,thor10_80way,thorprod3.thor"
00003437 PRG 2022-12-14 21:11:24.818 25669 25669 "Graph Done - graph(graph2, 5)"
00003438 PRG 2022-12-14 21:11:24.820 25669 25669 "getResultInt(a9,-3)"
00003439 PRG 2022-12-14 21:11:24.820 25669 25669 "getResultInt(aA,-3)"
0000343A PRG 2022-12-14 21:11:24.840 25669 25669 "sendGraph took 20 ms - graph(graph2, 46)"
0000343B PRG 2022-12-14 21:11:24.840 25669 25669 "Processing graph - graph(graph2, 46)"
0000343C PRG 2022-12-14 21:11:24.840 25669 25669 "Processing graph - graph(graph2, 46)"
0000343D AUD 2022-12-14 21:11:24.843 25669 25669 ",Progress,Thor,StartSubgraph,thor10_80way,W20221214-201047,2,46,thor10_80way,thorprod3.thor"
0000343E AUD 2022-12-14 21:11:24.850 25669 25669 ",Timing,ThorGraph,thor10_80way,W20221214-201047,2,46,1,8,SUCCESS,thor10_80way,thorprod3.thor"
0000343F PRG 2022-12-14 21:11:24.851 25669 25669 "Graph Done - graph(graph2, 46)"
00003440 USR 2022-12-14 21:11:24.852 25669 25669 "================================================"
00003441 USR 2022-12-14 21:11:24.852 25669 25669 "Program:   10.193.68.26:/opt/HPCCSystems/bin/thormaster_lcr"
00003442 USR 2022-12-14 21:11:24.852 25669 25669 "Signal:    11 Segmentation fault"
00003443 USR 2022-12-14 21:11:24.852 25669 25669 "Fault IP:  00007F26082F9605"
00003444 USR 2022-12-14 21:11:24.852 25669 25669 "Accessing: 0000000000000000"
00003445 PRG 2022-12-14 21:11:24.852 25669 25669 "Backtrace:"
00003446 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4c5) [0x7f26082f9605]"
00003447 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN10CGraphBase7prepareEjPKhbbb+0x8b) [0x7f26082fa87b]"
00003448 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraphmaster_lcr.so(_ZN12CMasterGraph7prepareEjPKhbbb+0x14) [0x7f2608375074]"
00003449 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN10CGraphBase7executeEjPKhbb+0x32) [0x7f2608301d72]"
0000344A PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase19executeDependenciesEjPKhib+0x158) [0x7f26082f7eb8]
0000344B PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x807) [0x7f26082f9947]"
0000344C PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4e1) [0x7f26082f9621]"
0000344D PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4e1) [0x7f26082f9621]"
0000344E PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4e1) [0x7f26082f9621]"
0000344F PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4e1) [0x7f26082f9621]"
00003450 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN17CGraphElementBase14prepareContextEjPKhbbbb+0x4e1) [0x7f26082f9621]"
00003451 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN10CGraphBase7prepareEjPKhbbb+0x8b) [0x7f26082fa87b]"
00003452 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraphmaster_lcr.so(_ZN12CMasterGraph7prepareEjPKhbbb+0x14) [0x7f2608375074]"
00003453 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraph_lcr.so(_ZN10CGraphBase7executeEjPKhbb+0x32) [0x7f2608301d72]"
00003454 PRG 2022-12-14 21:11:24.853 25669 25669 "  /opt/HPCCSystems/lib/libgraphmaster_lcr.so(_ZN10CJobMaster2goEv+0x320) [0x7f2608372490]"
00003455 PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x410cf6]"
00003456 PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x4120fc]"
00003457 PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x412395]"
00003458 PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x412d86]"
00003459 PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x413a74]"
0000345A PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x40b8bf]"
0000345B PRG 2022-12-14 21:11:24.853 25669 25669 "  /usr/lib64/libc.so.6(__libc_start_main+0xf5) [0x7f2602f5b555]"
0000345C PRG 2022-12-14 21:11:24.853 25669 25669 "  /mnt/disk1/var/lib/HPCCSystems/thor10_80way/thormaster_thor10_80way() [0x40c032]"
0000345D USR 2022-12-14 21:11:24.853 25669 25669 "Registers:"
0000345E USR 2022-12-14 21:11:24.853 25669 25669 "EAX:00000000005D9750  EBX:0000000000000000  ECX:0000000001F6FE70  EDX:00007F26033007B8  ESI:0000000000000001  EDI"
0000345F USR 2022-12-14 21:11:24.853 25669 25669 "R8 :0000000000000001  R9 :0000000000656251  R10:0000000000000001  R11:0000000000000000"
00003460 USR 2022-12-14 21:11:24.853 25669 25669 "R12:0000000000000000  R13:0000000001EDE640  R14:0000000000000000  R15:0000000000000000"
00003461 USR 2022-12-14 21:11:24.853 25669 25669 "CS:EIP:0033:00007F26082F9605"
00003462 USR 2022-12-14 21:11:24.853 25669 25669 "   ESP:00007FFE875B19C0  EBP:00007FFE875B1A20"
00003463 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B19C0]: 00000000005D98F0 075B9FC300000000 01007F26075B9FC3 0000000101007F26 0000000000000001 0000000100000000 0000000200000001"
00003464 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B19E0]: 3339312E00000002 005D8FA03339312E 00000000005D8FA0 006A8FD000000000 00000000006A8FD0 0000000000000000 0000000000000000"
00003465 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1A00]: 0000000000000000 005087E000000000 00000000005087E0 0000000000000000 0000000000000000 0000000000000000 0000000000000000"
00003466 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1A20]: 0000000000000000 082FA87B00000000 00007F26082FA87B 0000000000007F26 0000000000000000 FFF00000FFFFFFFC 0000000000000000"
00003467 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1A40]: 0001000000000000 0000000100010000 0000000000000001 0000000000000000 0000000000000000 00500000005087E0 005087E000000000"
00003468 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1A60]: 00000000005087E0 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000"
00003469 USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1A80]: 0000000000000000 0837507400000000 00007F2608375074 005741C000007F26 00000000005741C0 08307F2608301D72 005BAB4000007F26"
0000346A USR 2022-12-14 21:11:24.853 25669 25669 "Stack[00007FFE875B1AA0]: 00000000005BAB40 FFFFFFFC00000000 00000000FFFFFFFC 0000000000000000 0000000000000000 08207F26082F7EB8 875B1B7000007F26"
00000002 PRG 2022-12-14 21:11:30.469 96320 96320 "Opened log file //10.193.68.26/mnt/disk1/var/log/HPCCSystems/thor10_80way/thormaster.2022_12_14.log"
00000003 PRG 2022-12-14 21:11:30.469 96320 96320 "Build internal_8.10.8-1"