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

CBGL00400 - Overview

• 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