3391988 - Error: "2EETW000 unknown option DATAFILEASPIPE = yes" during MAIN_SHDRUN/SUBMOD_DIFFEXP/DIFFEXPDDIC_IP phase

During the MAIN_SHDRUN/SUBMOD_DIFFEXP/DIFFEXPDDIC_IP phase of SUM upgrade, the phase hangs:

SAPupConsole.log

>> 2023/10/18 22:50:11  START OF PHASE MAIN_SHDRUN/SUBMOD_DIFFEXP/DIFFEXPDDIC_IP

STARTING copy-to-shadow (pipe) of SAPKCCI750
STARTING copy-to-shadow (pipe) of SAPKCCI751
STARTING copy-to-shadow (pipe) of SAPKCCP750

<< 2023/10/19 02:25:47  END OF PHASE   MAIN_SHDRUN/SUBMOD_DIFFEXP/DIFFEXPDDIC_IP

The DIFFEXPP.ELG file is generated. It contains lines like:

#==============================================================================================#
# Find the detailed information in log 'SAPECCI751.G4D':
#==============================================================================================#

4 ETW000 > datafileaspipe=yes
4 ETW000 > compress=' '
4 ETW000 > use comm 'SAPKCCI751'
4 ETW000 > including 'R3TRDDDD','R3TRDOMA','R3TRDTEL','R3TRENQU','R3TRMACO','R3TRMCID','R3TRMCOB','R3TRSHLP','R3TRSQLT','R3TRTABL','R3TRTTYP','R3TRUENO','R3TRVIEW','R3TRPINF','LIMUPIF','R3TRDTEB','R3TRDEVC','R3TRENHD','R3TRSF01','R3TRSF02','R3TRSFBF','R3TRSFBS','R3TRSFSW','R3TRXINX','R3TRSMDD','R3TRSQSC','R3TRDCBO','R3TRSTOB','R3TRDRPM','R3TRDDLS','R3TRDDLA','R3TRXCLA','R3TRDRUL','R3TRAPIS','R3TRDTDC','R3TRSDMI'
4 ETW000 R3trans was called as follows: /usr/sap/<SID>/<INSTNACE>/exe/R3trans -w /usr/sap/SUM/abap/tmp/SAPECCI751.G4D /usr/sap/SUM/abap/tmp/SAPKKCCI751.G4D
2EETW000 error when reading the R3trans controlfile
2EETW000 unknown option DATAFILEASPIPE = yes at line 13, symbol "=".
2EETP200 Export with errors, request will not be imported
1 ETP111 exit code           : "12"

• SAP S/4HANA
• SAP ERP 6.0
• SAP NetWeaver 7.x

DIFFEXPDDIC_IP, DIFFEXPP.ELG, 2EETW000 error when reading the R3trans controlfile, unknown option DATAFILEASPIPE = yes