How To Fix CX_WDK_CONTROLLER400 - Make an entry in all required fields

CX_WDK_CONTROLLER400 - Overview

• Message type: E = Error

• Message class: CX_WDK_CONTROLLER - FP/BE/BDC Controller Messages

• Message number: 400

• Message text: Make an entry in all required fields

What causes this issue?

You have attempted to update data or start an action. However, not all
required information was specified.

System Response

The system could not execute the action.

How to fix this error?

Enter all required information. Fields in which you must enter data are
marked with a red asterisk by the system. If the current screen contains
tabs, check all tabs to make sure you have filled in all required
fields. Then restart the action.

Procedure for System Administrators

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 CX_WDK_CONTROLLER400 - Make an entry in all required fields ?

  The SAP error message CX_WDK_CONTROLLER400 with the description "Make an entry in all required fields" typically occurs in the context of SAP Web Dynpro applications. This error indicates that the user has not filled in all the mandatory fields in a form or screen before attempting to save or submit the data.
  
  Cause:
  
  Missing Required Fields: The most common cause is that one or more required fields in the form are left empty. These fields are usually marked with an asterisk (*) or highlighted in some way to indicate that they must be filled out.
  Validation Rules: There may be specific validation rules set up in the application that require certain fields to be filled based on the context of the data being entered.
  User Input Error: The user may have overlooked a field or misunderstood which fields are required.
  
  
  Solution:
  
  Identify Required Fields: Review the form and identify all fields marked as required. Ensure that