How To Fix /UI5/MP_CP001 - Data in node &1 must not be provided

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI5/MP_CP -

• Message number: 001

• Message text: Data in node &1 must not be provided

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI5/MP_CP001 - Data in node &1 must not be provided ?

  The SAP error message /UI5/MP_CP001 Data in node &1 must not be provided typically occurs in the context of SAP UI5 applications when there is an issue with the data binding or the structure of the data being sent to the backend. This error indicates that the data being provided for a specific node (represented by &1) is not expected or allowed according to the defined data model.
  Cause:
  
  Data Model Mismatch: The data being sent to the backend does not match the expected structure defined in the OData service or the UI5 model.
  Incorrect Binding: The UI5 application may be trying to bind data to a node that is not supposed to receive any data, possibly due to a misconfiguration in the XML view or JavaScript code.
  Service Definition: The OData service may have constraints that prevent certain nodes from being populated with data.
  Empty or Null Values: Sometimes, if a node is expected to be empty or null, providing a value can trigger this error.
  
  Solution:
  
  Check Data Structure: Review the data structure being sent to the backend. Ensure that it aligns with the expected structure defined in the OData service.
  Review OData Service: Check the metadata of the OData service to understand which nodes are required and which are optional. Make sure you are not sending data to nodes that should remain empty.
  Adjust UI5 Binding: If you are using XML views, check the binding paths in your views. Ensure that you are not binding data to nodes that are not supposed to receive any data.
  Debugging: Use browser developer tools to inspect the network requests being made. Look at the payload being sent to the backend and compare it with the expected structure.
  Consult Documentation: Refer to the documentation for the specific OData service you are using to understand its constraints and requirements.
  
  Related Information:
  
  SAP UI5 Documentation: Review the official SAP UI5 documentation for best practices on data binding and model management.
  OData Service Metadata: Use tools like the SAP Gateway Client or Postman to explore the OData service metadata and understand the expected data structure.
  Error Handling: Implement error handling in your UI5 application to gracefully manage such errors and provide user feedback.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.