How To Fix APPLG803 - Error occurred outside the core of the GFW; see long text

APPLG803 - Overview

• Message type: E = Error

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

• Message number: 803

• Message text: Error occurred outside the core of the GFW; see long text

What causes this issue?

The functionality of the Graphical Framework (GFW) is defined by means
of interfaces. The interfaces and the standard implementation belong to
the core of the GFW. The error that has occurred was reported by the
data container/graphics proxy. It should be possible to find out more
information by calling up the data container/graphics proxy again.
This message should never appear.
You should inform your system administrator.

Procedure for System Administrators

You should inform the manufacturer of your software and tell them the
message number.
Application programmers: You should add calls of the data container or
the graphics proxy to your error analysis.

Error message extract from SAP system. Copyright SAP SE.

APPLG803 - Details

• The SAP error message APPLG803 indicates that an error occurred outside the core of the Global Framework (GFW). This error can be somewhat generic, and the specific cause can vary depending on the context in which it occurs. Here are some common causes, potential solutions, and related information:
  Causes:
  
  
  Configuration Issues: There may be misconfigurations in the GFW settings or related components.
  Authorization Problems: The user may not have the necessary authorizations to perform the action that triggered the error.
  Data Issues: There could be inconsistencies or issues with the data being processed, such as missing or incorrect entries.
  System Performance: High system load or performance issues may lead to unexpected errors.
  Custom Code: If there are custom developments or enhancements, they may not be handling certain scenarios correctly.
  
  Solutions:
  
  Check Long Text: The error message suggests checking the long text for more details. This can provide specific information about what went wrong.
  Review Configuration: Verify the configuration settings