How To Fix DMCLG406 - Assignment of rules of different types is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 406

• Message text: Assignment of rules of different types is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG406 - Assignment of rules of different types is not allowed ?

  The SAP error message DMCLG406, which states "Assignment of rules of different types is not allowed," typically occurs in the context of SAP Data Management or SAP Master Data Governance (MDG) when there is an attempt to assign or link rules that are not compatible with each other. This can happen in various scenarios, such as when working with data quality rules, validation rules, or transformation rules.
  Cause:
  The error is generally caused by one of the following reasons:
  
  Incompatible Rule Types: You are trying to assign a rule of one type (e.g., validation rule) to a context that expects a different type (e.g., transformation rule).
  Configuration Issues: There may be a misconfiguration in the rule setup or in the data governance framework that leads to this incompatibility.
  Data Model Constraints: The underlying data model may impose restrictions on the types of rules that can be assigned to certain entities or attributes.
  
  Solution:
  To resolve the DMCLG406 error, consider the following steps:
  
  
  Check Rule Types: Review the types of rules you are trying to assign. Ensure that they are compatible with each other. For example, if you are assigning a validation rule, make sure it is being assigned in a context that allows validation rules.
  
  
  Review Configuration: Go through the configuration settings in your SAP system related to data governance or data quality management. Ensure that the rules are set up correctly and that there are no conflicting settings.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific module you are working with (e.g., SAP MDG, SAP Data Services) to understand the requirements and limitations regarding rule assignments.
  
  
  Test with Simple Rules: If possible, try to create a simple test case with basic rules to see if the error persists. This can help isolate the issue.
  
  
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with details about the rules you are trying to assign and the context in which the error occurs.
  
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Check for any relevant SAP Notes or KBA that might address this specific error or provide additional context.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  Training and Documentation: If you are new to SAP Data Management or MDG, consider undergoing training or reviewing official SAP training materials to better understand how rules and assignments work within the system.
  
  By following these steps, you should be able to identify the cause of the DMCLG406 error and implement a suitable solution.