Message type: E = Error
Message class: DMCLG - DMC Tool Development
Message number: 521
Message text: Different rule for field '&1' (structure &2) in '&3' and '&4'
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DMCLG521
- Different rule for field '&1' (structure &2) in '&3' and '&4' ?The SAP error message DMCLG521 indicates that there is a discrepancy in the rules defined for a specific field in two different structures or contexts. This typically occurs in the context of data modeling or data governance, where different rules or validations are applied to the same field in different scenarios.
Cause: The error arises when: The same field (denoted as &1) in two different structures (denoted as &2 and &3 or &4) has been defined with different validation rules or characteristics. This can happen during data migration, data modeling, or when integrating different data sources where the same field is expected to have consistent rules but is defined differently in different contexts.
Solution: To resolve this error, you can take the following steps: Identify the Structures: Determine which structures are being referenced in the error message. This will help you understand where the discrepancies are occurring. Review Field Definitions: Check the definitions of the field &1 in
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