How To Fix RSDD_LTIP_METADATA001 - Communication error with the TREX "&1": "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_LTIP_METADATA - OLAP Index Metadata

• Message number: 001

• Message text: Communication error with the TREX "&1": "&2"

What causes this issue?

Error occurred with the BW connection to TREX &SYST-MSGV1&. The
following error was identified:
&SYST-MSGV2&.

System Response

It is not possible to work with the system without errors occurring.

How to fix this error?

Inform the system administrator.

Procedure for System Administrators

Make sure that RFC connection &SYST-MSGV1& to the TREX is working. You
can check this in transaction SM59.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_LTIP_METADATA001 - Communication error with the TREX "&1": "&2" ?

  The SAP error message RSDD_LTIP_METADATA001 indicates a communication error with the TREX (Text Retrieval and Extraction) system. This error typically arises in the context of SAP BW (Business Warehouse) or SAP HANA environments when there is an issue with the connection between the BW system and the TREX server.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP BW system and the TREX server.
  TREX Server Down: The TREX server might be down or not running properly.
  Configuration Issues: Incorrect configuration settings in the SAP BW or TREX system can lead to communication errors.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  Version Mismatch: There may be compatibility issues between the versions of SAP BW and TREX.
  
  Solutions:
  
  Check TREX Server Status: Ensure that the TREX server is up and running. You can check the status using the TREX administration tools.
  Network Connectivity: Verify that there are no network issues. You can use tools like ping or traceroute to check connectivity between the SAP BW system and the TREX server.
  Review Configuration: Check the configuration settings in both the SAP BW and TREX systems. Ensure that the connection parameters are correctly set.
  Firewall Settings: If applicable, review firewall settings to ensure that they are not blocking the required ports for communication between SAP BW and TREX.
  Check Logs: Review the logs in both the SAP BW and TREX systems for any additional error messages that might provide more context about the issue.
  Restart Services: Sometimes, simply restarting the TREX services or the SAP BW system can resolve transient issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that might address known issues related to this error.
  
  Related Information:
  
  TREX Administration: Familiarize yourself with the TREX administration tools and logs to better diagnose issues.
  SAP BW Documentation: Review the SAP BW documentation for best practices on configuring and maintaining connections to TREX.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.