How To Fix WY177 - Check for duplicates cannot be carried out

WY177 - Overview

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 177

• Message text: Check for duplicates cannot be carried out

What causes this issue?

The check for duplicates cannot be carried out as an error occurred
during the calling of the function module &V1&.
It has to do with error &V2& of the message class &V3&.

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?

Inform your system administrator of the name of the function module,
the message class and the error number.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WY177 - Check for duplicates cannot be carried out ?

  SAP Error Message:
  WY177 - Check for duplicates cannot be carried out
  
  
  Cause:
  The error message WY177 typically occurs during the creation or processing of business documents (such as sales orders, deliveries, or billing documents) in SAP when the system attempts to perform a duplicate check but cannot complete it. This usually happens because:
  
  The duplicate check is activated in the system, but the necessary data or configuration to perform the check is missing or incomplete.
  The system is unable to access the relevant database tables or indexes required for the duplicate check.
  There is a mismatch or inconsistency in the duplicate check settings (e.g., in the sales document type, delivery type, or billing type).
  Custom enhancements or user exits related to duplicate checks are incorrectly implemented or missing.
  The duplicate check logic is triggered but the required fields (like document number, customer, material, date, etc.) are not properly filled or available.
  
  
  
  Solution:
  To resolve the WY177 error, consider the