How To Fix RSOS138 - TREX installation required

RSOS138 - Overview

• Message type: E = Error

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

• Message number: 138

• Message text: TREX installation required

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSOS138 - TREX installation required ?

  The SAP error message RSOS138 indicates that a TREX (Text Retrieval and Extraction) installation is required for certain functionalities, typically related to search capabilities in SAP systems. This error often arises when the system attempts to perform operations that depend on TREX, but the TREX component is not installed or configured correctly.
  
  Cause:
  
  Missing TREX Installation: The TREX component is not installed on the SAP system.
  Incorrect Configuration: TREX may be installed but not properly configured or started.
  Version Mismatch: The version of TREX may not be compatible with the version of the SAP system you are using.
  System Landscape Issues: In some cases, the system landscape may not be set up correctly, leading to this error.
  
  
  Solution:
  
  
  Install TREX:
  
  If TREX is not installed, you will need to install it. This typically involves using the Software Update Manager (SUM) or the SAP NetWeaver installer to add the TREX component to your system.
  Follow the installation guide provided by