How To Fix DMC_GENERAL228 - Rule &1 set for migration object &2, table &3, field &4

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 228

• Message text: Rule &1 set for migration object &2, table &3, field &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL228 - Rule &1 set for migration object &2, table &3, field &4 ?

  The SAP error message DMC_GENERAL228 typically occurs during the data migration process when using the SAP Data Migration Cockpit (DMC). This error indicates that there is a rule set for a specific migration object, table, and field that is not being met or is causing an issue.
  Cause:
  
  
  Rule Violation: The error suggests that the data being migrated does not comply with the defined rules for the specified migration object, table, or field. This could be due to:
  
  Missing mandatory fields.
  Data type mismatches (e.g., trying to insert a string into a numeric field).
  Invalid values that do not meet the defined criteria (e.g., date formats, value ranges).
  
  
  
  Configuration Issues: There may be issues with the configuration of the migration object or the rules defined for it. This could include:
  
  Incorrectly defined transformation rules.
  Missing or incorrect mapping between source and target fields.
  
  
  
  Data Quality Issues: The source data may have quality issues, such as duplicates, incorrect formats, or invalid entries that violate the rules set for the target system.
  
  
  Solution:
  
  
  Review the Migration Rules: Check the rules defined for the migration object, table, and field in the Data Migration Cockpit. Ensure that the data being migrated adheres to these rules.
  
  
  Data Validation: Validate the source data before migration. Ensure that all required fields are populated, and the data types and formats match the target system's requirements.
  
  
  Adjust Mapping and Transformation: If necessary, adjust the mapping and transformation rules in the migration cockpit to ensure that the data is correctly transformed and mapped to the target fields.
  
  
  Error Logs: Check the detailed error logs provided by the Data Migration Cockpit for more specific information about what caused the error. This can help pinpoint the exact issue.
  
  
  Test Migration: Perform a test migration with a smaller dataset to identify and resolve any issues before executing the full migration.
  
  
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration object you are working with for additional insights and best practices.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to the DMC_GENERAL228 error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for detailed information on how to configure and troubleshoot migration processes.
  
  By following these steps, you should be able to identify the cause of the DMC_GENERAL228 error and implement a solution to resolve it.