How To Fix WC120 - Sales unit & for material & not maintained in material master

WC120 - Overview

• Message type: E = Error

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

• Message number: 120

• Message text: Sales unit & for material & not maintained in material master

What causes this issue?

The system tried to prepare sales unit &V2& of material &V1&. This
sales unit either does not exist or could not be read.

System Response

The record could not be prepared for POS outbound.

How to fix this error?

<DS:TRAN.MM42>Maintain the sales unit</> or contact your system
administrator if this sales unit already exists.

Error message extract from SAP system. Copyright SAP SE.

WC120 - Details

• The SAP error message WC120 indicates that the sales unit for a material is not maintained in the material master. This error typically arises when you attempt to perform sales-related transactions (like creating a sales order or a delivery) for a material that lacks the necessary sales unit information.
  
  Cause:
  The primary cause of the WC120 error is that the sales unit (also known as the sales unit of measure) has not been defined for the material in the material master record. The sales unit is essential for sales processes as it determines how the material is sold to customers.
  
  Solution:
  To resolve the WC120 error, you need to maintain the sales unit for the material in the material master. Here are the steps to do this:
  
  
  Access the Material Master:
  
  Use transaction code MM02 (Change Material) or MM01 (Create Material) in SAP.
  
  
  
  Enter Material Number:
  
  Input the material number for which you are receiving the error.
  
  
  
  Select Views:
  
  Choose