How To Fix 40084 - Enter a reservation number

SAP Error Message - Details

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 084

• Message text: Enter a reservation 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 40084 - Enter a reservation number ?

  The SAP error message "40084 - Enter a reservation number" typically occurs when a user attempts to perform an action that requires a reservation number, but the system does not have a valid reservation number provided in the input fields. This error is common in transactions related to inventory management, production planning, or material requirements planning where reservations are used to allocate stock for specific purposes.
  Cause:
  
  Missing Reservation Number: The most straightforward cause is that the user has not entered a reservation number in the required field.
  Incorrect Transaction: The user may be in a transaction that requires a reservation number but is not in the correct context or transaction type.
  User Input Error: The user may have entered an incorrect or invalid reservation number that the system cannot recognize.
  Authorization Issues: In some cases, the user may not have the necessary permissions to view or access the reservation numbers.
  
  Solution:
  
  Enter a Valid Reservation Number: Ensure that you enter a valid reservation number in the appropriate field. If you do not have a reservation number, you may need to create one first.
  Check Transaction Context: Make sure you are in the correct transaction that requires a reservation number. Review the transaction documentation or help files to confirm.
  Verify Input: Double-check the reservation number for any typos or formatting issues. Ensure that it matches the expected format in SAP.
  Create a Reservation: If you do not have a reservation number, you may need to create one using the appropriate transaction (e.g., MB21 for creating reservations).
  Consult with Your SAP Administrator: If you believe you should have access to certain reservation numbers or if you encounter persistent issues, consult with your SAP administrator or support team for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB21 (Create Reservation), MB22 (Change Reservation), and MB23 (Display Reservation).
  SAP Documentation: Refer to SAP Help documentation for detailed information on reservations and related processes.
  User Training: If you are new to SAP or the specific module you are working in, consider undergoing training to better understand how to manage reservations and related transactions.
  
  By following these steps, you should be able to resolve the error message and proceed with your tasks in SAP.