How To Fix /CFG/DB172 - Some cyclic issue in Super type and Sub type entities

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/DB -

• Message number: 172

• Message text: Some cyclic issue in Super type and Sub type entities

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CFG/DB172 - Some cyclic issue in Super type and Sub type entities ?

  The SAP error message /CFG/DB172 indicates that there is a cyclic dependency issue between supertype and subtype entities in the context of the SAP Customizing Implementation (CFG) framework. This typically occurs in the context of data modeling, where a subtype is incorrectly defined in relation to its supertype, leading to a circular reference.
  Cause:
  
  Cyclic Dependency: The primary cause of this error is a cyclic relationship between supertype and subtype entities. This means that a subtype is defined in such a way that it refers back to its supertype or another subtype, creating a loop.
  Incorrect Configuration: Misconfiguration in the data model or entity relationships can lead to this issue. This can happen during the design phase when defining the relationships between different entities.
  Data Integrity Issues: If the data integrity rules are not followed, it can lead to cyclic references that violate the expected hierarchy of supertype and subtype relationships.
  
  Solution:
  
  Review Entity Relationships: Examine the relationships between your supertype and subtype entities. Ensure that there are no circular references. Each subtype should only reference its direct supertype and not create a loop.
  Modify the Data Model: If a cyclic dependency is found, you will need to modify the data model to eliminate the cycle. This may involve changing the hierarchy or reassigning subtypes to different supertypes.
  Check Configuration Settings: Review the configuration settings in the SAP system to ensure that they are set up correctly. This includes checking the definitions of the entities and their relationships.
  Testing: After making changes, test the configuration to ensure that the error is resolved and that the data model behaves as expected.
  
  Related Information:
  
  Documentation: Refer to SAP documentation on data modeling and entity relationships for best practices and guidelines on defining supertypes and subtypes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared by other users.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.