How To Fix /BOFU/FDT_EXP_BO_RET109 - Type &1 bound to type &2; object bound to &3 expected

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOFU/FDT_EXP_BO_RET -

• Message number: 109

• Message text: Type &1 bound to type &2; object bound to &3 expected

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 /BOFU/FDT_EXP_BO_RET109 - Type &1 bound to type &2; object bound to &3 expected ?

  The SAP error message /BOFU/FDT_EXP_BO_RET109 typically indicates a problem with the binding of business objects in the context of SAP Fiori or SAP Business Technology Platform (BTP) applications. This error occurs when there is a mismatch between the expected type of a bound object and the actual type that is being provided.
  Cause:
  
  Type Mismatch: The error suggests that the type of the object being bound does not match the expected type. This can happen if the data model has changed or if there is a misconfiguration in the binding definitions.
  Incorrect Data Source: The data source being used may not be compatible with the expected data structure.
  Model Definition Issues: There may be issues in the definition of the OData model or the way the entities are defined in the backend.
  Versioning Issues: If there are multiple versions of the same service or model, it could lead to inconsistencies in the expected types.
  
  Solution:
  
  Check Data Binding: Review the data binding in your application. Ensure that the types of the bound objects match the expected types defined in the OData service or the data model.
  Review OData Service: Check the OData service definition in the backend. Ensure that the entity types and properties are correctly defined and that they match what the frontend is expecting.
  Update Model: If there have been changes to the backend model, ensure that the frontend application is updated to reflect these changes. This may involve regenerating the model or updating the metadata.
  Debugging: Use debugging tools to trace the data flow and identify where the type mismatch is occurring. This can help pinpoint the exact location in the code where the error is being triggered.
  Check for Version Conflicts: If you are using multiple versions of the same service, ensure that the correct version is being called and that it is compatible with the frontend application.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Review the official SAP documentation for OData services and Fiori applications to ensure that you are following best practices for data binding and model definitions.
  Community Forums: Engage with the SAP Community or forums where other developers may have encountered similar issues. They can provide insights or solutions based on their experiences.
  
  By following these steps, you should be able to identify and resolve the issue causing the /BOFU/FDT_EXP_BO_RET109 error in your SAP application.