How To Fix LTR2_ES_UTILS254 - Lookup has been unregistered

SAP Error Message - Details

• Message type: E = Error

• Message class: LTR2_ES_UTILS - Messages for Embedded Specification Utilities

• Message number: 254

• Message text: Lookup has been unregistered

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_ES_UTILS254 - Lookup has been unregistered ?

  The SAP error message LTR2_ES_UTILS254 indicates that a lookup has been unregistered in the context of SAP Landscape Transformation (SLT) or related data replication processes. This error typically arises when the system is unable to find a specific lookup table or mapping that it expects to be available for data transformation or replication tasks.
  Causes:
  
  Unregistered Lookup Table: The lookup table that the system is trying to access has been unregistered or deleted.
  Configuration Issues: There may be issues in the configuration settings of the SLT system or the related data replication setup.
  Data Model Changes: Changes in the underlying data model (e.g., changes in the source or target tables) that affect the lookups.
  Transport Issues: If the lookup was part of a transport request, it may not have been transported correctly to the target system.
  
  Solutions:
  
  Re-register the Lookup: If the lookup table has been unregistered, you may need to re-register it. This can typically be done through the SLT configuration interface.
  Check Configuration: Review the SLT configuration settings to ensure that all necessary lookups are correctly defined and registered.
  Review Data Model: If there have been changes to the data model, ensure that all lookups are still valid and that the mappings are correctly defined.
  Transport Check: If the lookup was part of a transport, verify that the transport was successful and that all necessary objects were included.
  Consult Documentation: Refer to SAP documentation or notes related to SLT and the specific error message for additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  SLT Documentation: Review the official SAP documentation for SLT to understand how lookups are managed and how to troubleshoot related issues.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.