How To Fix REOROO011 - Not possible to change function &1 - reservation object exists

SAP Error Message - Details

• Message type: E = Error

• Message class: REOROO - Messages for Offered Object

• Message number: 011

• Message text: Not possible to change function &1 - reservation object exists

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 REOROO011 - Not possible to change function &1 - reservation object exists ?

  The SAP error message REOROO011 indicates that a reservation object exists, which prevents changes to a specific function or object in the system. This error typically arises in the context of managing reservations in SAP, particularly in modules related to materials management (MM) or production planning (PP).
  Cause:
  The error occurs when you attempt to change a function or object that is linked to a reservation that is currently active or has not been fully processed. This could happen in scenarios such as:
  
  Trying to delete or modify a reservation that is still in use.
  Attempting to change a material or production order that has associated reservations.
  The reservation is locked or has not been fully cleared.
  
  Solution:
  To resolve the REOROO011 error, you can follow these steps:
  
  
  Check Existing Reservations:
  
  Use transaction codes like MB23 (Display Reservation) or MB22 (Change Reservation) to check if there are any active reservations linked to the object you are trying to change.
  
  
  
  Clear or Delete Reservations:
  
  If the reservation is no longer needed, you can delete it using MB22. Ensure that you have the necessary authorizations to perform this action.
  If the reservation is still needed, consider whether it can be modified instead of deleted.
  
  
  
  Check for Locks:
  
  Use transaction SM12 to check for any locks on the reservation or related objects. If there are locks, you may need to wait for them to be released or contact the user who has locked the object.
  
  
  
  Review Related Documents:
  
  Ensure that there are no related documents (like purchase orders or production orders) that are preventing the change. You may need to adjust or close these documents first.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unable to resolve the issue, consult with your SAP administrator or support team. They may have additional tools or insights to help troubleshoot the problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB21 (Create Reservation), MB22 (Change Reservation), and MB23 (Display Reservation).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  Documentation: Review SAP documentation related to reservations and inventory management for best practices and guidelines.
  
  By following these steps, you should be able to identify the cause of the REOROO011 error and take appropriate action to resolve it.