How To Fix OO423 - Changing ABAP Managed Stored Procedures is not supported in SAP GUI

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 423

• Message text: Changing ABAP Managed Stored Procedures is not supported in SAP GUI

What causes this issue?

Changing classes containing ABAP Managed Database Procedures is not
supported by Class Builder (in SAP GUI).
The class &v1& implements the interface IF_AMDP_MARKER_HDB. This means,
it provides the option to add ABAP Managed Database Procedures to the
class.
You forced Class Builder to allow changes in class &v1& because you
defined the parameter SEO_SOURCEBASED_AMDP in your user settings.
This mode is intended for support use cases only.

System Response

Class Builder allows changing class &v1& because you defined the
parameter SEO_SOURCEBASED_AMDP in your user settings.

How to fix this error?

Remove the SEO_SOURCEBASED_AMDP parameter from your user settings and
use ABAP development tools for SAP NetWeaver (ADT) to edit the class.

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 OO423 - Changing ABAP Managed Stored Procedures is not supported in SAP GUI ?

  The error message "OO423 Changing ABAP Managed Stored Procedures is not supported in SAP GUI" typically occurs in the context of working with ABAP Managed Database Procedures (AMDP) in SAP systems. This error indicates that you are trying to modify an ABAP Managed Stored Procedure using the SAP GUI, which is not supported.
  Cause:
  The primary cause of this error is that ABAP Managed Database Procedures are designed to be managed and edited through the ABAP Development Tools (ADT) in Eclipse rather than through the traditional SAP GUI. The SAP GUI does not support the necessary functionalities for editing or changing AMDPs.
  Solution:
  To resolve this issue, you should use the ABAP Development Tools (ADT) in Eclipse. Here are the steps to do so:
  
  
  Install Eclipse: If you haven't already, download and install the Eclipse IDE. Make sure to install the ABAP Development Tools plugin.
  
  
  Connect to your SAP System: Open Eclipse and connect to your SAP system using the ABAP Development Tools.
  
  
  Locate the AMDP: In the Project Explorer, navigate to the ABAP package where your AMDP is located.
  
  
  Edit the AMDP: Right-click on the AMDP class or method and select "Open" or "Edit". You can now make the necessary changes to the stored procedure.
  
  
  Activate Changes: After making your changes, ensure you activate the AMDP to apply the modifications.
  
  
  Related Information:
  
  
  ABAP Managed Database Procedures (AMDP): These are stored procedures that are defined in ABAP and executed in the database layer. They allow for better performance and can leverage database-specific features.
  
  
  Eclipse and ADT: The ABAP Development Tools in Eclipse provide a modern development environment for ABAP programming, including support for AMDPs, CDS views, and other advanced features.
  
  
  Documentation: For more detailed information, refer to the official SAP documentation on ABAP Managed Database Procedures and the ABAP Development Tools.
  
  
  By following these steps and using the appropriate tools, you should be able to modify your ABAP Managed Stored Procedures without encountering the OO423 error.