How To Fix R3105 - Error when assigning transfer structure & to IDoc type &

SAP Error Message - Details

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 105

• Message text: Error when assigning transfer structure & to IDoc type &

What causes this issue?

An error occurred while adding the transfer structure &V1& in IDoc type
&V2& to source system &V3&.

System Response

The action was terminated. Data changes were undone.

How to fix this error?

Check the SAP Support Portal for the appropriate Notes and create a
customer message if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R3105 - Error when assigning transfer structure & to IDoc type & ?

  The SAP error message R3105, which states "Error when assigning transfer structure & to IDoc type &," typically occurs when there is an issue with the mapping between the IDoc type and the transfer structure in the SAP system. This can happen for various reasons, including configuration issues, missing or incorrect definitions, or inconsistencies in the data model.
  Causes:
  
  Missing Transfer Structure: The transfer structure that you are trying to assign to the IDoc type may not exist or may not be correctly defined.
  Inconsistent Data Types: The data types or lengths defined in the transfer structure may not match those expected by the IDoc type.
  Incorrect Configuration: There may be an error in the configuration settings for the IDoc type or the transfer structure.
  Transport Issues: If the IDoc type or transfer structure was recently transported from another system, there may be inconsistencies or missing components.
  Authorization Issues: Lack of proper authorizations to access or