How To Fix EG820 - Fields not ready for input were set using the enhancement

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 820

• Message text: Fields not ready for input were set using the enhancement

What causes this issue?

An error occurred during the enhancement check for presassignment of
entry data for goods receipt or device creation dialogs.

System Response

You cannot change fields that are not ready for input on the screen.

How to fix this error?

Check your user enhancement.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG820 - Fields not ready for input were set using the enhancement ?

  The SAP error message EG820 ("Fields not ready for input were set using the enhancement") typically occurs in the context of SAP enhancements or modifications where certain fields in a screen or transaction are being manipulated. This error indicates that the system is trying to set fields that are not currently available for input, which can lead to inconsistencies or unexpected behavior in the application.
  Cause:
  
  Field Status Configuration: The fields in question may be configured as "display only" or "not ready for input" in the screen layout or field status group.
  Enhancement Implementation: An enhancement (like a user exit or BAdI) may be incorrectly implemented, attempting to set values for fields that are not editable at that point in the transaction.
  Screen Logic: The logic in the screen or program may not be correctly handling the state of the fields, leading to attempts to set values when they should not be set.
  
  Solution:
  
  Check Field Status: Review the field status configuration in the relevant transaction or screen. Ensure that the fields are set to be editable when they are supposed to be.
  Review Enhancements: Examine the code in the enhancement implementation. Ensure that it only attempts to set values for fields that are ready for input. You may need to add checks to confirm the field's status before setting its value.
  Debugging: Use the SAP debugger to trace the execution flow and identify where the error is occurring. This can help pinpoint the exact line of code or logic that is causing the issue.
  Consult Documentation: Review any relevant SAP notes or documentation related to the specific enhancement or transaction to see if there are known issues or additional configuration steps required.
  Testing: After making changes, thoroughly test the transaction to ensure that the error no longer occurs and that the functionality works as expected.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any notes related to the specific transaction or enhancement you are working with. There may be patches or updates that address this issue.
  Transaction Codes: Familiarize yourself with transaction codes related to field status groups (e.g., OBC4 for field status variants) and enhancements (e.g., SE80 for Object Navigator).
  User Exits and BAdIs: Understand the specific user exits or BAdIs that are being used in your implementation, as they may have specific requirements or limitations.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.