How To Fix COM_DML_DATASET103 - Error when differentiating between objects (key type &, set type &)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_DATASET - MDF: Object Data

• Message number: 103

• Message text: Error when differentiating between objects (key type &, set type &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_DML_DATASET103 - Error when differentiating between objects (key type &, set type &) ?

  The SAP error message COM_DML_DATASET103 typically occurs in the context of data manipulation or differentiation between objects in SAP, particularly when dealing with data sets in the context of the SAP Composite Application Framework (CAF) or similar data management scenarios. The error message indicates that there is an issue with differentiating between objects of different types, specifically between key types and set types.
  Cause:
  
  
  Data Type Mismatch: The error often arises when there is a mismatch between the expected data types (key type vs. set type) in the operation being performed. For example, if the system expects a key type but receives a set type, it will trigger this error.
  
  
  Incorrect Configuration: The configuration of the data model or the way objects are defined in the system may not align with the expected structure, leading to confusion in differentiating between the types.
  
  
  Programming Errors: If custom code is involved, there may be logical errors in how objects are being handled, particularly in the differentiation logic.
  
  
  Data Integrity Issues: There may be issues with the underlying data, such as missing or corrupted entries that prevent the system from correctly identifying the object types.
  
  
  Solution:
  
  
  Check Data Types: Review the data types being used in the operation. Ensure that the key types and set types are correctly defined and that the operation is being performed on the correct type.
  
  
  Review Configuration: Go through the configuration settings of the data model to ensure that they are set up correctly. This includes checking the definitions of the objects and their relationships.
  
  
  Debug Custom Code: If there is custom code involved, use debugging tools to step through the code and identify where the differentiation is failing. Look for any logical errors or incorrect assumptions about the data types.
  
  
  Data Validation: Validate the underlying data to ensure that it is complete and correctly formatted. Look for any anomalies that could be causing the differentiation issue.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or additional guidance related to this specific error message.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may have additional insights or patches that can resolve the issue.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any specific notes related to the error message COM_DML_DATASET103. SAP frequently releases notes that address known issues and provide solutions.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving the issue, such as SE80 (Object Navigator) or SE37 (Function Module).
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  
  By following these steps, you should be able to identify the root cause of the COM_DML_DATASET103 error and implement an appropriate solution.