How To Fix W0128 - Max.requested del. time is maintained, but "Enter req. del. date" not set

W0128 - Overview

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 128

• Message text: Max.requested del. time is maintained, but "Enter req. del. date" not set

What causes this issue?

You entered a maximum requested delivery time but did not correctly
select the "Enter requested delivery date" indicator.

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?

Select the "Enter requested delivery date" indicator or delete the
"maximum requested delivery date (days)".

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 W0128 - Max.requested del. time is maintained, but "Enter req. del. date" not set ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W0128 - Max.requested del. time is maintained, but "Enter req. del. date" not set
  
  
  Cause:
  This warning message occurs when the maximum requested delivery time is maintained in the material master or customer master, but the system setting or configuration does not require the entry of a requested delivery date in the sales order or delivery document.
  In other words, the system expects a requested delivery date to be entered because a maximum requested delivery time is defined, but the sales order or delivery document does not have the "Enter requested delivery date" flag set or the requested delivery date field is left blank.
  
  Explanation:
  
  Max. requested delivery time is a parameter that defines the maximum time allowed between the order date and the requested delivery date.
  If this is maintained, the system expects the user to enter a requested delivery date in the sales