How To Fix IW631 - Enter the factory calendar ID

IW631 - Overview

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 631

• Message text: Enter the factory calendar ID

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.

IW631 - Details

• The SAP error message IW631 ("Enter the factory calendar ID") typically occurs in the context of work order processing or maintenance planning within the SAP system. This error indicates that the system requires a factory calendar ID to be specified, which is essential for scheduling and planning activities.
  
  Cause:
  
  Missing Factory Calendar ID: The most common cause of this error is that the factory calendar ID has not been entered in the relevant field. The factory calendar is used to determine working days and holidays for scheduling purposes.
  
  Configuration Issues: There may be issues with the configuration of the factory calendar in the system, such as it not being assigned to the relevant plant or work center.
  User Input Error: The user may have overlooked entering the factory calendar ID when creating or modifying a work order or maintenance plan.
  
  
  Solution:
  
  
  Enter Factory Calendar ID: 
  
  Navigate to the transaction where the error occurred (e.g., IW31 for