How To Fix LTR2_CHANGELOG150 - Signature for code link &1 was changed

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_CHANGELOG -

• Message number: 150

• Message text: Signature for code link &1 was changed

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 LTR2_CHANGELOG150 - Signature for code link &1 was changed ?

  The SAP error message LTR2_CHANGELOG150 indicates that the signature for a code link has changed. This typically occurs in the context of SAP Landscape Transformation (SLT) or when dealing with data replication scenarios. The error suggests that there is a mismatch between the expected signature of a code link and the actual signature present in the system.
  Cause:
  
  Code Changes: The most common cause is that the underlying code or function module that the code link refers to has been modified. This could be due to a transport of changes or an update in the system.
  Inconsistent Data: If there are inconsistencies in the data or metadata related to the code link, it can lead to this error.
  Transport Issues: If the code link was transported from one system to another without the corresponding changes in the target system, it can lead to signature mismatches.
  
  Solution:
  
  Check Code Changes: Review the code or function module associated with the code link to see if any changes have been made. If changes were made, ensure that the code link is updated accordingly.
  Recreate the Code Link: If the signature has changed and you cannot resolve the issue, consider recreating the code link. This can often resolve signature mismatches.
  Consistency Check: Perform a consistency check on the SLT configuration to ensure that all components are aligned and that there are no discrepancies.
  Transport Management: If the issue arose due to a transport, ensure that all related objects are included in the transport request and that they are correctly imported into the target system.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  Related Information:
  
  SLT Documentation: Review the SAP documentation related to Landscape Transformation for more insights on managing code links and handling errors.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.