How To Fix WY108 - Contact person & already exists for customer &

WY108 - Overview

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 108

• Message text: Contact person & already exists for customer &

What causes this issue?

Contact persons are identified system-internally by a unique
number. You wanted to assign a number to a new contact person

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Try again with another number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WY108 - Contact person & already exists for customer & ?

  The SAP error message WY108 with the text:
  Contact person & already exists for customer &
  Meaning / 
  Cause:
  This error occurs when you try to create or assign a contact person to a customer, but the contact person already exists for that customer in the system. In other words, the system detects a duplicate contact person entry for the same customer.
  This typically happens during master data maintenance in the Customer Master (e.g., transaction VD01/VD02/VD03 or via Business Partner transactions) when adding contact persons.
  Cause Details:
  
  The contact person number or ID you are trying to assign is already linked to the customer.
  The system enforces uniqueness of contact persons per customer to avoid duplicate entries.
  It may also occur if you try to create a new contact person with the same identifier as an existing one for that customer.
  
  
  Solution:
  
  Check existing contact persons for the customer to confirm if the contact person already exists.
  Use transaction VD03 (Display