How To Fix WRMA_CAT001 - Connection to RMA-server (SAP BW) could not be established

SAP Error Message - Details

• Message type: E = Error

• Message class: WRMA_CAT - RMA cost allocation

• Message number: 001

• Message text: Connection to RMA-server (SAP BW) could not be established

What causes this issue?

The connection to master data and reference transaction data of RMA is
currently not possible.

System Response

RMA cost allocation cannot be carried out right now. The settlement
request will be saved with posting status <ZK>Document is incomplete</>.

How to fix this error?

Check the cost allocation profile to see if the RFC destination for the
SAP NetWeaver Business Warehourse system is configured correctly and
working. When the issue is resolved, enter the settlement request again
to carry out the cost allocation and complete the document.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRMA_CAT001 - Connection to RMA-server (SAP BW) could not be established ?

  The SAP error message WRMA_CAT001: Connection to RMA-server (SAP BW) could not be established typically indicates a communication or connectivity problem between the SAP system (often an SAP ERP or front-end system) and the SAP BW system acting as the RMA (Return Material Authorization) server.
  
  Cause
  
  
  Network/Connection Issues:
  
  The SAP system cannot reach the BW system due to network problems (firewall, routing, DNS issues).
  
  
  
  Incorrect or Missing RFC Destination:
  
  The RFC destination configured in the SAP system for connecting to the BW RMA server is incorrect, inactive, or missing.
  
  
  
  BW System Not Available or Down:
  
  The BW system acting as the RMA server is not running or is currently down.
  
  
  
  Authorization Issues:
  
  The user or system trying to connect lacks the necessary authorizations on the BW system.
  
  
  
  Incorrect Configuration in RMA Setup:
  
  The RMA server settings in the SAP system are not properly configured (wrong host, port, or service name).
  
  
  
  Version or Patch Level Incompatibility:
  
  There might be incompatibilities between the SAP ERP and BW versions or missing support packages.
  
  
  
  
  Solution
  
  
  Check Network Connectivity:
  
  Ping the BW server from the SAP application server.
  Use telnet <BW_host> <port> to verify the port is reachable.
  Check firewall settings and ensure no network blocks exist.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP system.
  Check the RFC destination used for the RMA connection.
  Test the connection from SM59 to ensure it is working.
  Correct any wrong parameters (target host, system number, user credentials).
  
  
  
  Check BW System Status:
  
  Verify that the BW system is up and running.
  Check the SAP BW system logs for any issues.
  Restart the BW system if necessary.
  
  
  
  Check Authorizations:
  
  Ensure the user used in the RFC destination has the required authorizations in BW.
  Check roles and profiles assigned to the user.
  
  
  
  Review RMA Configuration:
  
  Check the RMA server configuration in the SAP system (often in IMG or specific RMA customizing).
  Correct any wrong entries.
  
  
  
  Check SAP Notes and Patches:
  
  Search for SAP Notes related to WRMA_CAT001.
  Apply any relevant patches or support packages.
  
  
  
  Trace and Logs:
  
  Use transaction ST22 to check for dumps.
  Use SM21 for system logs.
  Use SMGW or network traces if needed.
  
  
  
  
  Related Information
  
  Transaction SM59: For managing and testing RFC destinations.
  Transaction ST22: For analyzing dumps.
  Transaction SM21: For system logs.
  SAP Note Search: Use SAP ONE Support Launchpad to find notes related to WRMA_CAT001.
  RMA (Return Material Authorization): A process often integrated between SAP ERP and BW for handling returns and related analytics.
  SAP BW System: Acts as the RMA server in this context.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WRMA_CAT001: Connection to RMA-server (SAP BW) could not be established
  
  
  Cause
  Network issues, incorrect RFC destination, BW system down, authorization problems, config errors
  
  
  Solution
  Check network, verify and test RFC destination (SM59), ensure BW system is up, check authorizations, correct RMA config, apply SAP Notes
  
  
  Tools
  SM59, ST22, SM21, SAP Notes, network tools
  
  
  
  
  If you provide more details about your system landscape or logs, I can help you with more specific troubleshooting steps.