1220084 - Error: 'Connection closed without message', when refreshing a report based on an SAP data source in Crystal Reports

• Error: Connection closed without message.
      
• When attempting to view a report, it displays an error, and returns no data.
     
• When refreshing a report based on an SAP datasource, like SAP ECC, ERP,... it fails with the error:
  "Database Connector Error: Connection closed without message (CM_NP_DATA_RECEIVED)"
      

• When enabling tracing for the OpenSQL database driver, the following error message is logged in the file db_opensql_xxxx.log:
  "SAP: Received return code 6 from RfcWaitForRequest. This is an error. Message connection closed without message (CM_NO_DATA_RECEIVED)"

• A system dump is generated on the SAP System side whenever this report is run. In Transaction: ST22, the system dumps reference the following keyword: TSV_TNEW_PAGE_ALLOC_FAILED

• SAP Crystal Reports 2016
• SAP Crystal Reports 2020
• SAP Crystal Reports 2025
        
• SAP Netweaver 7.4
• SAP Netweaver 7.5

CR, SAP Table, No data, CM_NP_DATA_RECEIVED , KBA , BI-RA-CR , Crystal Reports designer or Business View Manager , BC-CST-MM , Memory Management , Problem