How To Fix CNV_2010C090 - Rejected mapping by &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_2010C - Message class for CoA on Cloud

• Message number: 090

• Message text: Rejected mapping by &

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 CNV_2010C090 - Rejected mapping by & ?

  The SAP error message CNV_2010C090 typically relates to issues encountered during data migration or conversion processes, particularly in the context of SAP's data migration tools. The message "Rejected mapping by &" indicates that a specific mapping or transformation rule has been rejected, and the "&" symbol usually represents a placeholder for additional information, such as the name of the mapping or the reason for the rejection.
  Causes:
  
  Data Quality Issues: The data being migrated may not meet the required quality standards, such as incorrect formats, missing mandatory fields, or invalid values.
  Mapping Configuration Errors: There may be errors in the mapping configuration itself, such as incorrect field mappings or transformation rules that do not align with the target structure.
  Incompatibility: The source data may not be compatible with the target system's data model, leading to rejections during the mapping process.
  Business Rules Violations: The data may violate specific business rules defined in the mapping process, causing it to be rejected.
  
  Solutions:
  
  Review Mapping Configuration: Check the mapping configuration for any errors or inconsistencies. Ensure that all fields are correctly mapped and that transformation rules are properly defined.
  Data Cleansing: Perform data cleansing on the source data to ensure it meets the required quality standards. This may involve correcting formats, filling in missing values, or removing invalid entries.
  Check Business Rules: Review the business rules associated with the mapping process to ensure that the data adheres to these rules. Adjust the data or the rules as necessary.
  Log Analysis: Analyze the logs generated during the migration process to identify specific reasons for the rejection. This can provide insights into what needs to be corrected.
  Testing: Conduct thorough testing of the mapping process with a subset of data to identify potential issues before executing the full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  Documentation: Refer to the official SAP documentation for the data migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP community forums or support channels to seek advice from other users who may have encountered similar issues.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV_2010C090 error and successfully complete your data migration process.