How To Fix /AIF/UI020 - Selected column cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/UI -

• Message number: 020

• Message text: Selected column cannot be changed

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 /AIF/UI020 - Selected column cannot be changed ?

  The SAP error message /AIF/UI020 Selected column cannot be changed typically occurs in the context of the Application Interface Framework (AIF) when you are trying to modify a column in a user interface (UI) that is not allowed to be changed. This can happen in various scenarios, such as when working with interface mappings, data structures, or during the configuration of AIF.
  Cause:
  
  Read-Only Fields: The column you are trying to change may be defined as read-only in the AIF configuration or in the underlying data model.
  Data Structure Constraints: The data structure associated with the interface may have constraints that prevent certain fields from being modified.
  User Permissions: The user may not have the necessary permissions to modify the selected column.
  Technical Restrictions: Certain technical restrictions in the AIF framework may prevent changes to specific columns.
  
  Solution:
  
  Check Configuration: Review the AIF configuration for the interface you are working with. Ensure that the column you are trying to change is not set as read-only.
  Review Data Model: Look at the underlying data model and see if there are any constraints or settings that prevent changes to the column.
  User Permissions: Verify that the user has the appropriate permissions to make changes to the interface. You may need to adjust roles or authorizations.
  Consult Documentation: Refer to the SAP documentation for AIF to understand the limitations and configurations related to the specific interface you are working with.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  AIF Documentation: Review the official SAP AIF documentation for best practices and guidelines on configuring interfaces and handling errors.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.