How To Fix TN518 - Add-on &1 Release &2 is not installed

TN518 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 518

• Message text: Add-on &1 Release &2 is not installed

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?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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 TN518 - Add-on &1 Release &2 is not installed ?

  The SAP error message TN518 indicates that a specific add-on (identified by &1) of a certain release (identified by &2) is not installed in the SAP system. This error typically arises when you attempt to execute a transaction or function that requires a specific add-on that is either not installed or not properly configured in your SAP environment.
  
  Cause:
  
  Missing Add-on: The specified add-on is not installed in the SAP system.
  Incorrect Version: The installed version of the add-on does not match the required version.
  
  Configuration Issues: The add-on may be installed but not properly configured or activated.
  Transport Issues: The necessary transport requests for the add-on may not have been imported into the system.
  
  
  Solution:
  
  
  Check Installed Add-ons:
  
  Go to transaction SPAM or SAINT to check the list of installed add-ons and their versions.
  Verify if the required add-on is listed and if its version matches the one specified in the error message.
  
  
  
  Install the Add-on:
  
  If the add-on is