How To Fix WN101 - Date interval not allowed

WN101 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 101

• Message text: Date interval not allowed

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 WN101 - Date interval not allowed ?

  The SAP error message WN101, which states "Date interval not allowed," typically occurs in the context of date-related operations, such as when working with planning or scheduling functions in SAP. This error indicates that the date range specified in a transaction or report is not valid according to the system's rules or constraints.
  Causes:
  
  Invalid Date Range: The start date is later than the end date, or the dates fall outside of acceptable limits defined in the system.
  
  Configuration Issues: The system may have specific configurations that restrict certain date intervals, such as fiscal year settings or planning periods.
  Data Entry Errors: Users may inadvertently enter incorrect dates or formats that the system cannot process.
  System Settings: Certain modules may have predefined date ranges that do not allow for the dates being entered.
  
  Solutions:
  
  Check Date Entries: Verify that the start and end dates are entered correctly and that the start date is earlier than the end