How To Fix SMT021 - Mapping &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT -

• Message number: 021

• Message text: Mapping &1 does not exist

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 SMT021 - Mapping &1 does not exist ?

  The SAP error message SMT021, which states "Mapping &1 does not exist," typically occurs in the context of SAP's System Landscape Transformation (SLT) or when working with data replication and transformation processes. This error indicates that the system is unable to find a specific mapping configuration that is required for the operation you are trying to perform.
  Cause:
  
  Missing Mapping Configuration: The most common cause is that the mapping configuration (e.g., a mapping table or transformation rule) referenced by the system does not exist in the database.
  Incorrect Mapping Name: The mapping name specified in the configuration or during the execution of a process may be misspelled or incorrectly referenced.
  Transport Issues: If the mapping was recently transported from another system, it may not have been properly imported or activated in the target system.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the mapping configuration.
  
  Solution:
  
  Check Mapping Configuration: Verify that the mapping configuration exists in the system. You can do this by navigating to the relevant transaction (e.g., SLT configuration) and checking the list of available mappings.
  Correct Mapping Name: Ensure that the mapping name you are using is correct. Double-check for any typos or discrepancies.
  Transport and Activation: If the mapping was transported, ensure that it has been properly activated in the target system. You may need to re-import or activate the transport request.
  User Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to access the mapping configuration.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SLT or the module you are working with for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use transaction codes like LTMC, SLT, or others related to data migration and transformation.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message SMT021.
  Logs and Traces: Review logs and traces for more detailed error messages that may provide additional context for the issue.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.