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

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.

Unfortunately, there isn't any extra information in this error notice.

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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