How To Fix /OSP/MSG401 - Please enter the Schedule Number

/OSP/MSG401 - Overview

• Message type: E = Error

• Message class: /OSP/MSG -

• Message number: 401

• Message text: Please enter the Schedule Number

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 /OSP/MSG401 - Please enter the Schedule Number ?

  The SAP error message /OSP/MSG401 Please enter the Schedule Number typically occurs in the context of the SAP Order Scheduling or Planning modules. This error indicates that a required field, specifically the "Schedule Number," has not been filled in when trying to execute a transaction or process that requires it.
  
  Cause:
  
  Missing Input: The most common cause is that the user has not entered a schedule number in the relevant field before attempting to save or process the transaction.
  
  Configuration Issues: There may be configuration settings in the SAP system that require a schedule number for certain transactions, and these settings may not be properly aligned with the business process.
  User Permissions: In some cases, the user may not have the necessary permissions to access or view the schedule number field.
  
  
  Solution:
  
  Enter Schedule Number: The immediate solution is to ensure that you enter a valid schedule number in the required field before proceeding. Check if