How To Fix MW156 - You may not maintain the no. of days field for urging reply

MW156 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 156

• Message text: You may not maintain the no. of days field for urging reply

What causes this issue?

Replies are either not possible or not required for the type of
notification selected for the plant. A reminder is only generated if a
reply is required.
The field indicating the number of days until reply is urged may only
be filled if the type of notification for the plant allows confirmation
requests and the "Reply necessary" indicator is set.

System Response

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

INCLUDE ISR_KORRIGIEREN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

MW156 - Details

• The SAP error message MW156, which states "You may not maintain the no. of days field for urging reply," typically occurs in the context of maintaining or processing messages or notifications within the SAP system, particularly in the Materials Management (MM) module or related areas.
  
  Cause:
  This error usually arises when a user attempts to modify the "number of days" field for an "urging reply" in a situation where the system does not allow such changes. This restriction can be due to several reasons, including:
  
  Authorization Issues: The user may not have the necessary permissions to make changes to this field.
  System Configuration: The system may be configured to restrict changes to certain fields based on business rules or settings.
  Document Status: The document or message may be in a status that does not allow modifications.
  Field Attributes: The field may be set as non-editable in the configuration or due to the specific transaction being used.
  
  
  Solution:
  To