How To Fix CMAP108 - No direct (1:1) value mapping possible (multiple source values)

SAP Error Message - Details

• Message type: E = Error

• Message class: CMAP - CSM Messages

• Message number: 108

• Message text: No direct (1:1) value mapping possible (multiple source values)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMAP108 - No direct (1:1) value mapping possible (multiple source values) ?

  The SAP error message CMAP108 indicates that there is an issue with value mapping in the context of data transformation or integration processes. Specifically, it means that the system is unable to find a direct one-to-one mapping for a source value because there are multiple source values that could potentially map to a single target value. This situation typically arises in scenarios involving data migration, data integration, or when using the SAP Data Services or SAP Process Integration (PI).
  Cause:
  
  
  Multiple Source Values: The primary cause of this error is that there are multiple source values that correspond to a single target value in the mapping configuration. This can happen if the mapping rules are not defined correctly or if the source data contains duplicates or variations that are not accounted for in the mapping.
  
  
  Incorrect Mapping Configuration: The mapping configuration may not be set up to handle the complexity of the source data. For example, if the mapping is expecting unique values but the source data has duplicates, this error will occur.
  
  
  Data Quality Issues: Poor data quality in the source system can lead to inconsistencies, such as variations in spelling, formatting, or categorization, which can complicate the mapping process.
  
  
  Solution:
  
  
  Review Mapping Configuration: Check the mapping configuration to ensure that it is set up correctly. Make sure that each source value has a unique target value and that the mapping rules are clearly defined.
  
  
  Data Cleansing: Perform data cleansing on the source data to eliminate duplicates and ensure consistency. This may involve standardizing values, removing unnecessary variations, and ensuring that the data adheres to the expected format.
  
  
  Define Aggregated Mapping: If multiple source values need to map to a single target value, consider defining aggregated mapping rules that can handle these cases. This may involve creating a more complex mapping logic that can accommodate multiple source values.
  
  
  Use Default Values: If appropriate, you can set up default values for cases where no direct mapping is possible. This can help prevent the error from occurring in situations where the source value does not have a defined mapping.
  
  
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance on handling value mapping errors in your particular SAP environment.
  
  
  Related Information:
  
  SAP Data Services: If you are using SAP Data Services, you may want to look into the Data Quality features that can help with data profiling and cleansing.
  SAP Process Integration (PI): If this error occurs in the context of SAP PI, check the integration flow and mapping configurations to ensure they are set up correctly.
  Error Logs: Review error logs and messages for additional context that may help identify the specific source values causing the issue.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the CMAP108 error and ensure successful value mapping in your SAP processes.