How To Fix REBDAO090 - Reservations outside period &1 exist. Change not possible.

SAP Error Message - Details

• Message type: E = Error

• Message class: REBDAO -

• Message number: 090

• Message text: Reservations outside period &1 exist. Change not possible.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message REBDAO090 - Reservations outside period &1 exist. Change not possible. ?

  The SAP error message REBDAO090 indicates that there are reservations that fall outside of the specified period for a particular transaction or operation, and as a result, changes cannot be made. This typically occurs in the context of materials management, inventory management, or production planning where reservations are used to allocate stock for specific purposes.
  Cause:
  
  Reservations Outside Valid Period: The primary cause of this error is that there are existing reservations that are dated outside the period you are trying to modify. For example, if you are trying to change a reservation for a specific month, but there are reservations that extend beyond that month, the system will prevent the change.
  Period Locking: The period for which you are trying to make changes may be locked for posting or changes due to financial closing or other reasons.
  Incorrect Date Settings: The dates set in the reservation or the transaction may not align with the current period settings in the system.
  
  Solution:
  
  Check Existing Reservations: Review the existing reservations to identify those that are outside the period you are trying to modify. You can do this by using transaction codes like MB22 (Change Reservation) or MB23 (Display Reservation).
  Adjust Reservation Dates: If possible, adjust the dates of the existing reservations to fall within the desired period. This may involve changing the reservation or creating new ones as needed.
  Period Opening: If the period is closed for posting, you may need to open the period temporarily to make the necessary changes. This typically requires authorization and should be done with caution.
  Consult with Finance: If the issue is related to financial periods, consult with your finance team to understand the implications of changing periods and reservations.
  Use Transaction Codes: Utilize relevant transaction codes to analyze and manage reservations:
  
  MB22: Change Reservation
  MB23: Display Reservation
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Documentation: Review SAP documentation for reservations and period management to understand how to manage periods and reservations effectively.
  User Authorizations: Ensure that you have the necessary authorizations to make changes to reservations and periods.
  
  By following these steps, you should be able to resolve the REBDAO090 error and successfully make the necessary changes to your reservations.