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SAP Knowledge Base Article - PreviewSymptom
In SDCCN task, the following RFC communation error message was raised, even though the connection test of the RFC destination in T-cd SM59 is successful.
> Error when opening an RFC connection (CPIC-CALL: 'ThSAPOCMINIT' : cmRc=20 thRc=665#Service name i
> error reading function module interface DSWP_API_SESSIONLIST_GET from SM_<SID>CLNT<XXX>_BACK
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Environment
SDCCN
Product
SAP ERP 6.0
Keywords
KBA , SV-SMG-SDD , Service Data Download , Problem
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