How To Fix COM_DML_ENGINE016 - Object type & is not a subobject of object type &

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 016

• Message text: Object type & is not a subobject of object type &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_DML_ENGINE016 - Object type & is not a subobject of object type & ?

  The SAP error message COM_DML_ENGINE016 indicates that there is an issue with object types in the context of the SAP system's data management layer. Specifically, the error message states that the object type specified is not a subobject of the expected object type. This typically occurs in scenarios involving data modeling, where the system expects a certain hierarchy or relationship between object types.
  Cause:
  
  Incorrect Object Type Configuration: The object type being referenced may not be correctly configured as a subobject of the expected parent object type.
  Data Model Issues: There may be inconsistencies in the data model where the relationships between different object types are not properly defined.
  Custom Development: If there are custom developments or enhancements, they may not adhere to the expected object type hierarchy.
  Data Integrity Issues: There could be data integrity issues where the data being processed does not conform to the expected structure.
  
  Solution:
  
  Check Object Type Configuration: Verify the configuration of the object types involved. Ensure that the object type in question is correctly defined as a subobject of the expected parent object type.
  Review Data Model: Examine the data model to ensure that the relationships between object types are correctly established. This may involve checking the definitions in the relevant customizing settings.
  Debug Custom Code: If there is custom code involved, debug it to ensure that it is correctly handling the object types and their relationships.
  Data Validation: Validate the data being processed to ensure it adheres to the expected structure and relationships. This may involve checking for missing or incorrect entries in the database.
  Consult Documentation: Refer to SAP documentation or notes related to the specific object types and their relationships to ensure compliance with best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on object type configurations.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to inspect the definitions of the object types involved.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.