How To Fix VPKGUI008 - Internal error occurred when method &1 was being accessed from class &2

VPKGUI008 - Overview

• Message type: E = Error

• Message class: VPKGUI - Sales Pricing, Interface

• Message number: 008

• Message text: Internal error occurred when method &1 was being accessed from class &2

What causes this issue?

An internal error occurred when the screen was being processed.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

INCLUDE NA_ALLG_SYSTEMVERW OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

VPKGUI008 - Details

• The SAP error message:
  VPKGUI008 Internal error occurred when method &1 was being accessed from class &2
  
  Cause
  This error typically occurs in the context of SAP's Variant Configuration (VC) or Classification when the system tries to access a method of a class (usually an ABAP class) and encounters an internal problem. The placeholders &1 and &2 represent the method name and the class name respectively.
  Common causes include:
  
  Missing or inconsistent class/method implementation: The method being called does not exist or is not accessible in the specified class.
  Authorization issues: The user does not have sufficient authorization to execute the method.
  Corrupted or incomplete software components: The class or method might be part of a component that is not properly installed or has inconsistencies.
  Runtime errors inside the method: The method itself throws an exception or encounters an error during execution.
  Version incompatibility: The class or method belongs to a software component version that is incompatible with the