How To Fix SIW108 - Data element &2: Object Reference Type &1 is not supported (REFTYPE)

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 108

• Message text: Data element &2: Object Reference Type &1 is not supported (REFTYPE)

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 SIW108 - Data element &2: Object Reference Type &1 is not supported (REFTYPE) ?

  The SAP error message SIW108 indicates that there is an issue with the data element in question, specifically related to the object reference type not being supported. This error typically arises in the context of SAP's data dictionary or when working with ABAP programs that involve object references.
  Cause:
  The error message SIW108 occurs when:
  
  An object reference type is being used that is not recognized or supported by the system.
  The data element specified (in this case, &2) is trying to reference an object type (indicated by &1) that is either not defined, not activated, or not compatible with the operation being performed.
  There may be a mismatch between the expected data type and the actual data type being used in the program or data structure.
  
  Solution:
  To resolve the SIW108 error, you can take the following steps:
  
  
  Check Object Reference Type:
  
  Verify that the object reference type specified in the error message is correctly defined in the ABAP Dictionary.
  Ensure that the object type is activated and available for use.
  
  
  
  Review Data Element:
  
  Check the data element mentioned in the error message to ensure it is correctly defined and that its attributes are appropriate for the context in which it is being used.
  
  
  
  Compatibility:
  
  Ensure that the object reference type is compatible with the data element. If you are trying to assign an object reference to a variable, make sure that the variable is declared with the correct type.
  
  
  
  Code Review:
  
  Review the ABAP code where the error occurs. Look for any assignments or method calls that involve the object reference type and ensure they are correctly implemented.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or the ABAP Development Guide for more information on object reference types and data elements.
  
  
  
  Debugging:
  
  If the issue persists, consider using the ABAP debugger to step through the code and identify the exact point where the error occurs. This can provide insights into the state of the variables and types at runtime.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  ABAP Data Dictionary: Understanding how data elements, domains, and object types are defined and used in SAP can help prevent such errors.
  Object-Oriented ABAP: Familiarity with object-oriented programming concepts in ABAP, including class definitions and object references, is essential for troubleshooting this error.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SIW108 error in your SAP environment.