How To Fix WC126 - Material master could not be read

SAP Error Message - Details

• Message type: E = Error

• Message class: WC - POS interface - outbound and Tickets & Additionals

• Message number: 126

• Message text: Material master could not be read

What causes this issue?

No material master exists in the system or an error has occurred in the
data base system.

System Response

No EAN references could be prepared for POS outbound.

How to fix this error?

<DS:TRAN.MM41>Maintain the material master</> or contact your system
administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WC126 - Material master could not be read ?

  The SAP error message WC126, which states "Material master could not be read," typically indicates that the system is unable to retrieve the material master data for a specific material number. This can occur for several reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Material Does Not Exist: The material number you are trying to access may not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to view the material master data.
  Data Inconsistency: There may be inconsistencies or corruption in the material master data.
  Incorrect Material Number: The material number entered may be incorrect or mistyped.
  Inactive Material: The material may be marked as inactive or deleted in the system.
  Client-Specific Data: The material may not exist in the specific client you are logged into.
  
  Solutions:
  
  Verify Material Number: Double-check the material number for any typos or errors. Ensure that you are using the correct format.
  Check Material Existence: Use transaction code MM03 (Display Material) to check if the material exists in the system. If it does not, you may need to create it using transaction code MM01 (Create Material).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the material master data. This can be checked by the system administrator or through transaction SU53 (Authorization Check).
  Check Material Status: If the material is inactive or marked for deletion, you may need to reactivate it or create a new material.
  Consult with IT Support: If you suspect data inconsistency or corruption, consult your IT support team or SAP Basis team to investigate further.
  Client Check: Ensure that you are in the correct client where the material is supposed to exist.
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MMBE: Stock Overview
  MMR1: Material Master Record Display
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to material master errors.
  Documentation: Refer to SAP Help documentation for detailed information on material master data management.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP support team for further investigation.