How To Fix RSOS116 - RFC connection to TREX engine is Null; searching or indexing not possible

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 116

• Message text: RFC connection to TREX engine is Null; searching or indexing not possible

What causes this issue?

RFC connection to TREX engine is Null.

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

System Response

Search or Indexing is not possible.

How to fix this error?

Procedure for System Administrators

To enter the RFC connection:
Execute transaction <LB>RSODADMIN</>.
In the <LS>Administration of BW Metadata Search</> screen, in <LS>RFC
Destination</>, select the appropriate RFC destination.
Choose <LS>Execute</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS116 - RFC connection to TREX engine is Null; searching or indexing not possible ?

  The SAP error message RSOS116 indicates that there is an issue with the RFC (Remote Function Call) connection to the TREX (Text Retrieval and Extraction) engine. This error typically arises when the system is unable to establish a connection to the TREX server, which is essential for searching or indexing operations in SAP systems that utilize TREX for full-text search capabilities.
  Causes:
  
  TREX Server Down: The TREX server may not be running or may have crashed.
  Network Issues: There could be network connectivity problems between the SAP application server and the TREX server.
  
  Configuration Issues: The RFC destination for the TREX connection may not be configured correctly in the SAP system.
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary permissions to access the TREX engine.
  TREX Instance Not Registered: The TREX instance may not be properly registered in the SAP system.
  
  Solutions:
  
  
  Check TREX Server Status:
  
  Ensure that the TREX