How To Fix M7522 - Reservation created automatically. No manual changes possible

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 522

• Message text: Reservation created automatically. No manual changes possible

What causes this issue?

This reservation has been generated automatically by the system and can,
therefore, not be changed manually. You can only change automatically
generated reservations by changing the document (for example, the
production order) to which the reservation refers.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

To change the reservation, proceed as follows:
Find out for which document the reservation has been made. To do this,
display the reservation.
<DS:TRAN.MB23>Proceed</>
Change the originating document. The system will then change the
reservation accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M7522 - Reservation created automatically. No manual changes possible ?

  The SAP error message M7522, which states "Reservation created automatically. No manual changes possible," typically occurs in the context of inventory management and material requirements planning (MRP) within the SAP system. This message indicates that a reservation has been generated automatically by the system, and as a result, manual changes to that reservation are restricted.
  Cause:
  
  Automatic Reservation Creation: The reservation was created automatically by the system due to a process such as MRP run, production order creation, or other automated processes that generate reservations based on demand.
  System Settings: The configuration settings in the SAP system may be set to prevent manual changes to automatically created reservations to maintain data integrity and consistency.
  Document Type: The type of reservation created (e.g., for production orders, sales orders) may have specific rules that restrict manual changes.
  
  Solution:
  
  Check Reservation Type: Verify the type of reservation that has been created. If it is linked to a production order or sales order, you may need to make changes at the order level rather than the reservation level.
  Review MRP Settings: If the reservation was created as part of an MRP run, review the MRP settings and parameters to understand why the reservation was generated and if adjustments are needed.
  Use Transaction Codes: Use transaction codes like MB22 (Change Reservation) to check if there are any options available for changing the reservation. If the reservation is locked for changes, you may need to look for alternative ways to manage the inventory.
  Consult Documentation: Review SAP documentation or help files related to reservations and MRP to understand the implications of automatic reservations and how to manage them.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB21 (Create Reservation), MB22 (Change Reservation), and MB23 (Display Reservation).
  User Authorizations: Ensure that you have the necessary authorizations to make changes to reservations, as restrictions may also be due to user role settings.
  SAP Notes: Check for any SAP Notes related to this error message for potential patches or updates that may address the issue.
  Training and Documentation: Consider training sessions or documentation on inventory management and MRP processes in SAP to better understand how reservations are handled.
  
  By following these steps, you should be able to address the M7522 error message and manage your reservations effectively within the SAP system.