How To Fix CCMM174 - Reservation created automatically. No manual changes possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMM - Message Class for A&D CCM

• Message number: 174

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

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 CCMM174 - Reservation created automatically. No manual changes possible ?

  The SAP error message CCMM174 indicates that a reservation has been created automatically in the system, and as a result, no manual changes can be made to that reservation. This typically occurs in the context of materials management and inventory management processes, particularly when dealing with production orders, maintenance orders, or other automated processes that generate reservations.
  Cause:
  
  Automatic Reservation Creation: The reservation was created automatically by the system, often as part of a production order, maintenance order, or through a material requirement planning (MRP) run.
  System Settings: The configuration settings in SAP may dictate that certain types of reservations are not editable once created automatically.
  Status of the Reservation: The reservation may be in a status that does not allow for manual changes, such as being linked to a confirmed production order.
  
  Solution:
  
  Check Reservation Type: Verify the type of reservation that has been created. If it is an automatic reservation, you may need to follow the appropriate process for handling it.
  Review Related Documents: Check the related production or maintenance orders to see if changes can be made there instead. Sometimes, adjustments to the parent document can affect the reservation.
  Use Transaction Codes: Use transaction codes like MB22 (Change Reservation) or MB21 (Create Reservation) to see if you can manage the reservation through these transactions, although manual changes may still be restricted.
  Consult with SAP Support: If you need to make changes that are not allowed, consult with your SAP support team or system administrator. They may be able to provide insights or make necessary adjustments in the system settings.
  Review Configuration: If this behavior is not desired, review the configuration settings in the SAP system related to reservation management. This may involve checking the settings in the Material Management (MM) module.
  
  Related Information:
  
  Documentation: Refer to SAP documentation for detailed information on reservations and their management.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Training: Ensure that users are trained on the processes related to reservations, especially regarding when and how they can be modified.
  
  In summary, the CCMM174 error message indicates that the reservation is locked for manual changes due to its automatic creation. The solution typically involves reviewing related documents and processes, and possibly consulting with SAP support for further assistance.