How To Fix VR421 - Program error with special F4 help

VR421 - Overview

• Message type: E = Error

• Message class: VR - Output for SD Reporting

• Message number: 421

• Message text: Program error with special F4 help

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VR421 - Program error with special F4 help ?

  Certainly! Here's a detailed explanation regarding the SAP error message VR421 - Program error with special F4 help:
  
  SAP Error Message: VR421 - Program error with special F4 help
  
  
  Cause:
  The error VR421 typically occurs when there is a problem with the special F4 help (value help) in a transaction related to SAP Sales and Distribution (SD) or other modules where custom or standard F4 helps are used.
  More specifically, the cause can be:
  
  A program error or runtime error in the function module or search help that is called when the user presses F4 (value help).
  The special F4 help is either not properly implemented or has missing or incorrect parameters.
  The search help exit or custom code associated with the F4 help is causing an exception.
  The dictionary object or domain associated with the field has an invalid or inconsistent configuration.
  The system is unable to find or execute the correct F4 help due to missing or