How To Fix /IAM/UI202 - Field &1 is always read-only but is configured with display type &2 (&3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /IAM/UI -

• Message number: 202

• Message text: Field &1 is always read-only but is configured with display type &2 (&3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IAM/UI202 - Field &1 is always read-only but is configured with display type &2 (&3) ?

  The SAP error message /IAM/UI202 Field &1 is always read-only but is configured with display type &2 (&3) typically occurs in the context of SAP Fiori applications or SAP UI5 applications. This error indicates that a specific field (denoted by &1) is configured to be read-only, but there is a mismatch in the configuration where it is expected to be editable or displayed differently based on the display type (&2) and the context (&3).
  Cause:
  
  Field Configuration: The field in question is set to be read-only in the backend or in the UI configuration, but the UI is trying to render it as editable or in a way that contradicts its read-only status.
  Display Type Mismatch: The display type of the field may be incorrectly set in the UI5 application or Fiori configuration, leading to a conflict between the expected behavior and the actual configuration.
  Data Binding Issues: There may be issues with how the data is bound to the UI elements, causing the application to misinterpret the field's properties.
  Role/Authorization Issues: The user’s role or authorization settings may restrict editing capabilities for that field, leading to it being rendered as read-only.
  
  Solution:
  
  Check Field Configuration: Review the configuration of the field in the backend (e.g., in the data model or the OData service) to ensure that it is correctly set as read-only if that is the intended behavior.
  Adjust Display Type: If the field is meant to be editable, adjust the display type in the UI5 application or Fiori configuration to reflect that. This may involve changing the XML view or the metadata of the OData service.
  Review Data Binding: Ensure that the data binding for the field is correctly set up in the UI5 application. Check if the model is correctly defined and that the field is bound to the right property.
  Check User Roles and Authorizations: Verify the user roles and authorizations to ensure that the user has the necessary permissions to edit the field. If the field should be editable for certain users, adjust the authorization settings accordingly.
  Debugging: Use debugging tools in the browser (like Chrome Developer Tools) to inspect the UI5 application and see how the field is being rendered. This can provide insights into any binding or configuration issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates related to the UI5 framework or Fiori applications.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for Fiori and UI5 to understand the configuration options available for fields and how to properly set their display types.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.