How To Fix CNV886 - Field &2-&1 included because mapping values exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 886

• Message text: Field &2-&1 included because mapping values exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV886 - Field &2-&1 included because mapping values exist ?

  The SAP error message CNV886 "Field &2-&1 included because mapping values exist" typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit. This error indicates that there are mapping values defined for the specified field, which means that the system is including this field in the migration process.
  Cause:
  
  Mapping Values Exist: The error suggests that there are existing mapping values for the specified field (indicated by &2 and &1). This means that the system has identified that there are values that need to be converted or mapped from the source system to the target system.
  Data Inconsistency: There may be inconsistencies or issues with the data being migrated, which could lead to the system requiring additional fields to be included in the migration.
  Configuration Issues: The configuration of the migration project may not be set up correctly, leading to unexpected behavior during the migration process.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration for the fields in question. Ensure that the mapping values are correctly defined and that they align with the data in the source system.
  Data Validation: Validate the data in the source system to ensure that it is consistent and meets the requirements for migration. Look for any anomalies or unexpected values that could be causing the issue.
  Adjust Migration Settings: If certain fields are not required for migration, you may need to adjust the migration settings to exclude them. This can often be done in the migration cockpit or the relevant migration tool.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidance or troubleshooting steps provided for this error message.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may provide insights into how to handle mapping and migration issues.
  Data Migration Best Practices: Review best practices for data migration in SAP to ensure a smooth transition and minimize errors.
  
  By following these steps, you should be able to address the CNV886 error and successfully complete your data migration process.