How To Fix MW406 - &1 &2: delivery date &3 is before the plant is opened

MW406 - Overview

• Message type: E = Error

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

• Message number: 406

• Message text: &1 &2: delivery date &3 is before the plant is opened

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW406 - &1 &2: delivery date &3 is before the plant is opened ?

  The SAP error message MW406 indicates that there is an issue with the delivery date specified in a transaction, specifically that the delivery date is set before the plant is opened for operations. This typically occurs in the context of inventory management, sales orders, or delivery processing.
  
  Cause:
  The error occurs when:
  
  The delivery date specified in the document (e.g., sales order, delivery, or purchase order) is earlier than the opening date of the plant.
  The plant has not been configured to allow transactions for the specified date, meaning it is not operational or available for processing during that time.
  
  
  Solution:
  To resolve the MW406 error, you can take the following steps:
  
  
  Check Plant Opening Date:
  
  Verify the opening date of the plant in the configuration settings. You can do this by navigating to the plant settings in the SAP system.
  Use transaction code OVX5 to check the plant's calendar and opening/closing dates.
  
  
  
  Adjust Delivery Date:
  
  If the delivery date is