How To Fix MX074 - No predecessor mapping selected

SAP Error Message - Details

• Message type: E = Error

• Message class: MX - Table Multiplexing and Conversion Programs for UPG

• Message number: 074

• Message text: No predecessor mapping selected

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 MX074 - No predecessor mapping selected ?

  The SAP error message MX074: No predecessor mapping selected typically occurs in the context of SAP's Master Data Management (MDM) or when dealing with data migration and mapping processes. This error indicates that the system is unable to find a predecessor mapping for the data you are trying to process, which is essential for establishing relationships between different data entities.
  Causes:
  
  Missing Mapping Configuration: The predecessor mapping may not have been defined in the system, leading to the error when the system attempts to process the data.
  Incorrect Data Input: The data being processed may not have the necessary identifiers or keys that link it to the predecessor records.
  Data Migration Issues: If you are migrating data from one system to another, the mapping between the source and target data may not have been set up correctly.
  Inconsistent Data: There may be inconsistencies in the data that prevent the system from identifying the predecessor.
  
  Solutions:
  
  
  Check Mapping Configuration:
  
  Go to the relevant mapping configuration in your SAP system and ensure that the predecessor mappings are correctly defined.
  If necessary, create or update the mapping to include the required predecessor relationships.
  
  
  
  Validate Data Input:
  
  Review the data you are trying to process to ensure that it contains all necessary identifiers and is formatted correctly.
  Make sure that the data aligns with the expected structure and that all required fields are populated.
  
  
  
  Review Migration Process:
  
  If this error occurs during a data migration, double-check the migration scripts or tools being used to ensure that they are correctly mapping the source data to the target structure.
  Ensure that all necessary predecessor records exist in the target system before attempting to process the new data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling mapping issues related to your version of SAP.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and use case.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data mapping and migration, such as LTMOM (Legacy Transfer Migration Object Model) or LTMC (Legacy Transfer Migration Cockpit).
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the MX074 error and implement a solution to resolve it.