How To Fix CBGL00400 - Define the field as a required entry field or an output field

SAP Error Message - Details

• Message type: E = Error

• Message class: CBGL00 - GLM: Standard Messages

• Message number: 400

• Message text: Define the field as a required entry field or an output field

What causes this issue?

You have set a user entry as both a required entry field and an output
field. This is not possible. A field in which data can only be displayed
(output field), cannot also be a required entry field (a field in which
an entry must be made).

System Response

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

How to fix this error?

Deselect one of the indicators.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CBGL00400 - Define the field as a required entry field or an output field ?

  The SAP error message CBGL00400 indicates that a field in a particular context (usually in a screen or a transaction) has not been defined correctly in the system. Specifically, it suggests that the field needs to be defined as either a required entry field or an output field, but it currently does not meet either of these criteria.
  Cause:
  
  Field Definition: The field in question has not been properly defined in the screen layout or the data dictionary. It may be missing the necessary attributes that specify whether it should be a required input or an output field.
  Screen Configuration: The screen configuration might not have been set up correctly, leading to the system not recognizing the field as mandatory or as an output.
  Custom Development: If there are custom developments or modifications in the system, they might not have been implemented correctly, leading to this error.
  
  Solution:
  
  
  Check Field Definition:
  
  Go to the Data Dictionary (transaction SE11) and check the field definition. Ensure that the field is marked as either a required entry field (with the appropriate attributes) or as an output field.
  If the field is part of a structure or table, ensure that the structure/table is correctly defined.
  
  
  
  Screen Layout:
  
  Use transaction SE80 or SE41 to check the screen layout. Ensure that the field is included in the screen and is set to the correct properties (input/output).
  If necessary, modify the screen layout to set the field as required or as an output field.
  
  
  
  Custom Code Review:
  
  If the error arises from custom code, review the code to ensure that the field is being handled correctly. Check for any logic that might be affecting the field's status.
  
  
  
  Transport Requests:
  
  If changes were made in a development environment, ensure that they have been transported correctly to the quality or production environment.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction or screen to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP provides specific notes that address common problems with certain transactions or fields.
  Documentation: Review SAP documentation related to screen programming and field definitions for more detailed guidance on how to set up fields correctly.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP technical consultant or developer who can provide more in-depth assistance.