How To Fix SV394 - The screen number & is reserved

SAP Error Message - Details

• Message type: E = Error

• Message class: SV - View Maintenance: Customize Messages

• Message number: 394

• Message text: The screen number & is reserved

What causes this issue?

The screen number &V1& lies in the range reserved (1000 - 1010) for
the ABAP/4 selection screens.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SV394 - The screen number & is reserved ?

  The SAP error message SV394, which states "The screen number & is reserved," typically occurs when there is an attempt to use a screen number that is already reserved for system use or is not available for user-defined screens. This can happen in various scenarios, such as when developing custom transactions or screens in SAP.
  Cause:
  
  Reserved Screen Numbers: SAP has a range of screen numbers that are reserved for standard SAP applications. If a developer tries to create a screen using one of these reserved numbers, the system will throw this error.
  Incorrect Screen Number Assignment: The screen number being referenced may have been incorrectly assigned or may not exist in the system.
  Namespace Conflicts: If the screen number is part of a namespace that is not properly defined or is conflicting with another object, it can lead to this error.
  
  Solution:
  
  Use Valid Screen Numbers: Ensure that the screen number you are trying to use is not reserved. You can check the SAP documentation or the range of screen numbers that are available for custom development.
  Change Screen Number: If you have control over the screen number assignment, choose a different number that is not reserved. Typically, custom screen numbers should be in the range that is designated for user-defined objects (e.g., 9000 and above).
  Check Development Guidelines: Follow SAP's development guidelines for screen numbers and ensure that you are adhering to best practices.
  Review Custom Development: If this error arises from custom development, review the code and configuration to ensure that the screen number is correctly defined and does not conflict with existing objects.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or updates related to this error message. SAP frequently updates its documentation and may provide additional context or solutions.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to explore the screen numbers and their assignments.
  Development Environment: Ensure that you are working in the correct development environment and that your changes are being transported correctly if you are working in a multi-system landscape.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.