How To Fix RSOS135 - &1 is an invalid TREX RFC connection

RSOS135 - Overview

• Message type: E = Error

• Message class: RSOS - Message class for BI Metadata Search with TREX

• Message number: 135

• Message text: &1 is an invalid TREX RFC connection

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS135 - &1 is an invalid TREX RFC connection ?

  The SAP error message RSOS135 &1 is an invalid TREX RFC connection typically indicates that there is an issue with the connection between the SAP system and the TREX (Text Retrieval and Extraction) search engine. TREX is used for full-text search and is often integrated with SAP applications for enhanced search capabilities.
  
  Cause:
  
  Invalid Connection Configuration: The RFC connection to TREX may not be configured correctly in the SAP system.
  TREX Server Issues: The TREX server may be down, misconfigured, or not reachable from the SAP system.
  Network Issues: There could be network connectivity problems between the SAP system and the TREX server.
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary permissions to access the TREX server.
  Version Mismatch: There may be compatibility issues between the versions of SAP and TREX being used.
  
  
  Solution:
  
  
  Check RFC Connection:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the TREX RFC connection and