How To Fix WXPB127 - Error occurred when reading the classification of material &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WXPB - MAP Messages: SAP R/3 Enterprise Add-On

• Message number: 127

• Message text: Error occurred when reading the classification of material &1

Self-Explanatory Message

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• What is the cause and solution for SAP error message WXPB127 - Error occurred when reading the classification of material &1 ?

  Certainly! Here's a detailed explanation for the SAP error message WXPB127: Error occurred when reading the classification of material &1:
  
  Error Message
  WXPB127: Error occurred when reading the classification of material &1
  
  &1 is a placeholder for the material number.
  
  
  Cause
  This error typically occurs when the system tries to read the classification data of a material but encounters an issue. Common causes include:
  
  
  Missing or Inconsistent Classification Data:
  
  The material is assigned to a class, but the classification data is incomplete or corrupted.
  The class or characteristic assigned to the material might have been deleted or is inconsistent.
  
  
  
  Authorization Issues:
  
  The user does not have sufficient authorization to read classification data.
  
  
  
  Database or Table Issues:
  
  The classification tables (e.g., AUSP, KLAH, KSSK) might have inconsistencies or missing entries for the material.
  
  
  
  Incorrect or Missing Material Master Data:
  
  The material master record might be incomplete or missing classification assignment.
  
  
  
  Transport or System Upgrade Issues:
  
  Sometimes, after a system upgrade or transport, classification data might not be properly migrated.
  
  
  
  
  Solution
  To resolve the error, follow these steps:
  
  
  Check Material Classification:
  
  Go to transaction CL20N (Change Class) or MM03 (Display Material) and verify the classification data for the material.
  Ensure the material is assigned to a valid class and that the characteristics are properly maintained.
  
  
  
  Verify Class and Characteristics:
  
  Use transaction CL02 to check the class and characteristics.
  Make sure the class exists and is active.
  Check if the characteristics assigned to the class are valid and not deleted.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to read classification data.
  Check authorization objects like B_CLASS and B_MATCL.
  
  
  
  Check Database Tables:
  
  Use SE16/SE16N to check tables like AUSP (Characteristic Values), KLAH (Class Header), and KSSK (Class-Object Assignment).
  Look for inconsistencies or missing entries related to the material.
  
  
  
  Reassign Classification:
  
  If classification data is corrupted, try removing and reassigning the classification to the material.
  
  
  
  Check for System Notes or OSS Messages:
  
  Search SAP Notes for any known issues related to WXPB127.
  Apply relevant SAP Notes if available.
  
  
  
  Debugging:
  
  If the problem persists, debugging the function module or program that reads classification data might be necessary.
  Common function modules involved are CL_OBJECT_GET_DETAIL or BAPI_OBJCL_GETDETAIL.
  
  
  
  
  Related Information
  
  
  Transactions:
  
  CL20N – Change Class
  CL02 – Change Class
  MM03 – Display Material
  SE16/SE16N – Data Browser for tables like AUSP, KLAH, KSSK
  
  
  
  Tables:
  
  AUSP – Characteristic Values
  KLAH – Class Header
  KSSK – Class to Object Assignment
  INOB – Object Table (Material Master)
  
  
  
  SAP Notes:
  
  Check SAP Support Portal for notes related to classification errors or WXPB127.
  
  
  
  Authorization Objects:
  
  B_CLASS – Classification
  B_MATCL – Material Classification
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Missing/inconsistent classification data, authorization issues, or database inconsistencies
  
  
  Solution
  Verify and correct classification data, check authorizations, reassign classification, check tables, apply SAP Notes
  
  
  Related
  Transactions: CL20N, CL02, MM03; Tables: AUSP, KLAH, KSSK; Authorization objects: B_CLASS, B_MATCL
  
  
  
  
  If you provide the exact context (e.g., transaction or process where the error occurs), I can help with more specific troubleshooting steps.