How To Fix E2028 - No entry possible in this field

SAP Error Message - Details

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 028

• Message text: No entry possible in this field

What causes this issue?

The specified field in the screen is an output field. The display of
possible entries is therefore irrelevant.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2028 - No entry possible in this field ?

  The SAP error message E2028 "No entry possible in this field" typically occurs when a user attempts to enter a value in a field that is not allowed due to various reasons. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Field Configuration: The field may be configured in such a way that it does not allow entries. This could be due to settings in the field's data element or domain.
  Authorization Issues: The user may not have the necessary authorizations to enter data in that field.
  Field Status Group: The field may be part of a field status group that is set to "Display" or "Hide" for the user's role or transaction.
  Data Type Restrictions: The field may have specific data type restrictions that prevent certain types of entries.
  Custom Logic: There may be custom validation logic (e.g., user exits, BAdIs) that restricts entries based on certain conditions.
  
  Solutions:
  
  Check Field Configuration: Review the field's configuration in the data dictionary (transaction SE11) to ensure it is set up to allow entries.
  Review Authorizations: Check the user's authorization profile to ensure they have the necessary permissions to enter data in that field.
  Field Status Group Settings: Use transaction OBC4 to check the field status group settings for the relevant transaction and ensure that the field is set to "Optional" or "Required" as needed.
  Data Type Validation: Ensure that the value being entered matches the expected data type and format for the field.
  Debug Custom Logic: If there is custom logic involved, you may need to debug the code to identify any conditions that are preventing the entry.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), OBC4 (Field Status Variants), and SU53 (Authorization Check).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or field.
  User Documentation: Review user manuals or documentation for the specific module or transaction to understand the expected behavior of the field.
  
  If the issue persists after checking these areas, it may be helpful to consult with your SAP Basis or ABAP team for further investigation.