How To Fix CNV20201074 - Overlap with following rule:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 074

• Message text: Overlap with following rule:

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201074 - Overlap with following rule: ?

  The SAP error message CNV20201074 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an overlap in the rules defined for data transformation or mapping, which can lead to conflicts in how data is processed.
  Cause:
  The error message CNV20201074 is triggered when:
  
  There are multiple rules defined for the same data field or entity that overlap in their conditions or ranges.
  The rules may be conflicting, meaning that the same data could be transformed in different ways based on the overlapping rules.
  This can happen if the rules were manually created or modified without proper checks for overlaps.
  
  Solution:
  To resolve the CNV20201074 error, you can take the following steps:
  
  
  Review the Rules: Go through the transformation rules defined in your migration project. Look for any overlapping conditions or ranges that might be causing the conflict.
  
  
  Modify or Remove Overlapping Rules: Adjust the rules to ensure that they do not overlap. This may involve:
  
  Merging similar rules.
  Changing the conditions so that they are mutually exclusive.
  Removing unnecessary or redundant rules.
  
  
  
  Test the Changes: After making adjustments, run the migration process again to see if the error persists. Ensure that the data is still being transformed correctly according to your business requirements.
  
  
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration tool you are using. There may be best practices or examples that can help you structure your rules more effectively.
  
  
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into how to structure your rules and avoid conflicts.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By carefully reviewing and adjusting your transformation rules, you should be able to resolve the CNV20201074 error and proceed with your data migration successfully.