How To Fix V0300 - Source = A prohibits specification of follow-on screen group and panel

V0300 - Overview

• Message type: E = Error

• Message class: V0 - Screen sequence control messages

• Message number: 300

• Message text: Source = A prohibits specification of follow-on screen group and panel

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 V0300 - Source = A prohibits specification of follow-on screen group and panel ?

  The SAP error message V0300, which states "Source = A prohibits specification of follow-on screen group and panel," typically occurs in the context of screen programming or when dealing with screen sequences in SAP. This error indicates that there is a conflict in the configuration of screen groups and panels, particularly when the source of the screen is set to "A" (which usually refers to a specific type of screen or transaction).
  
  Cause:
  
  Screen Group Configuration: The error often arises when there is an attempt to specify a follow-on screen group or panel for a screen that is not allowed to have one. This can happen if the screen is defined in a way that does not support follow-on screens.
  Incorrect Screen Flow Logic: The flow logic defined for the screen may not be compatible with the intended follow-on screen or panel.
  Custom Development Issues: If there are custom enhancements or modifications in the