How To Fix FMMD_E308 - Combination of input source master data and target master data is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: FMMD_E - Funds Management Master Data

• Message number: 308

• Message text: Combination of input source master data and target master data is invalid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMMD_E308 - Combination of input source master data and target master data is invalid ?

  The SAP error message FMMD_E308 indicates that there is an issue with the combination of input source master data and target master data during a data transfer or mapping process. This error typically arises in the context of Financial Management (FM) or Master Data Management (MDM) when the system is unable to reconcile or validate the data being processed.
  Causes:
  
  Incompatible Data Types: The source and target master data may have incompatible data types or structures, leading to validation failures.
  Missing Master Data: The required master data in either the source or target system may be missing or not properly defined.
  Incorrect Mapping: The mapping between the source and target master data may be incorrectly configured, leading to invalid combinations.
  Data Integrity Issues: There may be issues with data integrity, such as duplicate entries or inconsistencies in the master data.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the master data.
  
  Solutions:
  
  Check Data Mapping: Review the mapping configuration between the source and target master data to ensure that it is correct and that all necessary fields are properly aligned.
  Validate Master Data: Ensure that all required master data exists in both the source and target systems. If any master data is missing, create or update it as necessary.
  Data Type Compatibility: Verify that the data types of the fields in the source and target master data are compatible. Adjust the data types if needed.
  Data Quality Checks: Perform data quality checks to identify and resolve any integrity issues, such as duplicates or inconsistencies.
  User Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to access and modify the master data.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FMMD or MDM to access the relevant master data management functions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to the official SAP documentation for Financial Management or Master Data Management for detailed information on data structures and mapping configurations.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the root cause of the FMMD_E308 error and implement the necessary solutions to resolve it.