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

REBDAO090 - Overview

• 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