How To Fix /OSP/MSG266 - The entered day of month does not match the selected month

SAP Error Message - Details

• Message type: E = Error

• Message class: /OSP/MSG -

• Message number: 266

• Message text: The entered day of month does not match the selected month

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /OSP/MSG266 - The entered day of month does not match the selected month ?

  The SAP error message /OSP/MSG266 indicates that there is a mismatch between the day of the month you have entered and the selected month. This typically occurs in scenarios where date inputs are required, such as in transaction entries, scheduling, or planning activities.
  Cause:
  
  Invalid Date Entry: The day you entered does not exist in the selected month. For example, entering February 30 or April 31 would trigger this error.
  Leap Year Consideration: If February is selected and the year is not a leap year, entering February 29 will cause this error.
  Date Format Issues: Sometimes, the date format settings in your user profile or system settings may lead to confusion, causing incorrect date entries.
  
  Solution:
  
  Verify the Date: Check the day you entered against the calendar for the selected month. Ensure that the day is valid for that month.
  Adjust for Leap Years: If you are entering a date in February, ensure that you account for leap years (February 29 is only valid in leap years).
  Correct Date Format: Ensure that you are using the correct date format as per your system settings. If your system expects a specific format (like DD/MM/YYYY or MM/DD/YYYY), make sure you are adhering to that.
  Re-enter the Date: After verifying the above points, re-enter the date correctly in the required field.
  
  Related Information:
  
  SAP Documentation: Check SAP Help Portal or your organization's SAP documentation for more details on date handling and error messages.
  User Profile Settings: Review your user profile settings in SAP to ensure that the date format and locale settings are correctly configured.
  Consult with IT Support: If the issue persists after checking the above points, it may be beneficial to consult with your IT support team or SAP administrator for further assistance.
  
  By following these steps, you should be able to resolve the error and proceed with your SAP transactions.