How To Fix KN139 - Incorrect date format

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 139

• Message text: Incorrect date format

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 KN139 - Incorrect date format ?

  The SAP error message KN139 "Incorrect date format" typically occurs when there is an issue with the date format being used in a transaction or data entry. This error can arise in various contexts, such as when entering dates in customer master records, sales orders, or other related transactions.
  Cause:
  
  Incorrect Date Format: The date entered does not match the expected format defined in the SAP system. For example, if the system expects a date in the format DD/MM/YYYY and the user enters it as MM/DD/YYYY, this error will occur.
  Regional Settings: The date format may be influenced by the user's regional settings in SAP. If the settings do not match the format being used, it can lead to this error.
  Data Entry Errors: Typographical errors or incorrect data entry can also lead to this error message.
  
  Solution:
  
  Check Date Format: Ensure that the date is entered in the correct format as specified by the SAP system. Refer to the documentation or help files for the expected date format.
  Adjust User Settings: Check the user profile settings in SAP to ensure that the date format aligns with the expected format. This can usually be found in the user settings under "Defaults" or "Personal Data."
  Use Transaction Codes: If applicable, use transaction codes like SU01 (User Maintenance) to check and adjust user-specific settings.
  Validation: Validate the date input before submitting the transaction. Ensure that the date is logical (e.g., not a future date if not allowed).
  Consult Documentation: If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  User Training: Ensure that users are trained on the correct data entry formats and the importance of adhering to system requirements.
  System Configuration: If the issue is widespread, it may be necessary to review the system configuration settings related to date formats.
  
  By following these steps, you should be able to resolve the KN139 error and ensure that date entries are processed correctly in SAP.