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

SAP Error Message - Details

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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 indeed before the plant's opening date, you will need to adjust the delivery date to a date that is on or after the plant's opening date.
  Update the relevant document (sales order, delivery, etc.) with the new delivery date.
  
  
  
  Change Plant Configuration:
  
  If necessary, you can change the plant's opening date to allow for earlier transactions, but this should be done with caution and in accordance with business processes.
  
  
  
  Check for Other Related Settings:
  
  Ensure that the plant is properly configured for the relevant transaction types and that there are no other restrictions in place that could affect the delivery date.
  
  
  
  Consult with SAP Support or Documentation:
  
  If the issue persists or if you are unsure about making changes, consult with your SAP support team or refer to SAP documentation for further guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OVX5: View plant calendar and opening/closing dates.
  MD04: Stock/Requirements List to check stock levels and requirements.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address specific issues related to the MW406 error.
  
  
  
  User Roles and Authorizations:
  
  Ensure that the user has the necessary authorizations to make changes to the delivery date or plant settings.
  
  
  
  By following these steps, you should be able to resolve the MW406 error and proceed with your transactions in SAP.