How To Fix WSTI_MM07I003 - Value &1 in count date field has incorrect format

WSTI_MM07I003 - Overview

• Message type: E = Error

• Message class: WSTI_MM07I - BAdI Implementation Messages MB_PHYSINV_INTERNAL

• Message number: 003

• Message text: Value &1 in count date field has incorrect format

What causes this issue?

The value &V1&, which is specified in the <LS>Count Date</> field
(ISEG-WSTI_COUNTDATE), does not have the correct format.

System Response

The system cannot post this inventory document item.

How to fix this error?

The value must be entered using the format YYYYMMDD (Y = year, M =
month, D = day). This is an internal error that you will not be able to
correct yourself. Notify your system administrator.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

WSTI_MM07I003 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WSTI_MM07I003: Value &1 in count date field has incorrect format
  
  
  Cause:
  This error occurs when the value entered in the count date field (usually a date field related to inventory counting or stocktaking) does not conform to the expected date format in SAP. The system expects the date in a specific format (typically YYYYMMDD or DD.MM.YYYY depending on the locale and configuration), but the input value (&1) does not match this format.
  Common causes include:
  
  User entering the date in an incorrect format.
  Data migration or upload programs providing dates in the wrong format.
  Incorrect field mapping or conversion routines in custom programs or interfaces.
  Locale or user parameter settings causing format mismatches.
  
  
  
  Solution:
  
  
  Check the Date Format:
  
  Verify the expected date format for the count date field in your SAP system.
  Usually, SAP expects dates in the internal format YYYYMMDD or the user’s logon date format.
  
  
  
  Correct the Input:
  
  If entering