How To Fix APPLG013 - DC: Graphics proxy is already registered; call NOTIFY with READ.

APPLG013 - Overview

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 013

• Message text: DC: Graphics proxy is already registered; call NOTIFY with READ.

What causes this issue?

The basis class for all the data containers has ascertained that a
graphics proxy that was to be registered in fact already exists. The
attribute list and the filter list for this graphics proxy was reset.
The Subscribe method of the data container must be called by Notify in
the graphics proxy with CO_READ so that the newly selected data can be
displayed.

How to fix this error?

This message should not appear. You should contact your system
administrator.

Procedure for System Administrators

The data container used does not evaluate this return value for the
basis class method cl_gfw_dc=>subscribe_gp. This error should be
corrected.

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 APPLG013 - DC: Graphics proxy is already registered; call NOTIFY with READ. ?

  The SAP error message APPLG013 indicates that there is an issue with the graphics proxy registration in the SAP system. This error typically occurs when there is an attempt to register a graphics proxy that is already registered, leading to a conflict.
  
  Cause:
  
  Multiple Registrations: The most common cause of this error is that the graphics proxy is being registered multiple times. This can happen if the application is trying to initialize the graphics proxy more than once without properly deregistering it first.
  Session Issues: Sometimes, issues with user sessions or connections can lead to this error, especially if the previous session did not terminate correctly.
  
  Configuration Issues: Incorrect configuration settings in the SAP system related to graphics or display settings can also lead to this error.
  
  
  Solution:
  
  Check for Multiple Registrations: Ensure that the graphics proxy is not being registered multiple times in your code. Review the logic to ensure that the registration is only