How To Fix MM431 - &: & reservations exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 431

• Message text: &: & reservations exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM431 - &: & reservations exist ?

  The SAP error message MM431: "Reservations exist" typically occurs in the Materials Management (MM) module when you attempt to perform an action that is not allowed because there are existing reservations for the material in question. This can happen in various scenarios, such as when trying to delete a material document, change a material's status, or perform a goods movement.
  
  Cause:
  The error indicates that there are open reservations for the material, which means that the system has recorded a commitment to use a certain quantity of that material for a specific purpose (like production or sales). Reservations are often created for:
  
  Production orders
  Sales orders
  Maintenance orders
  Other inventory management processes
  
  
  Solution:
  To resolve the MM431 error, you can follow these steps:
  
  
  Check Existing Reservations:
  
  Use transaction code MB22 (Change Reservation) or MB23 (Display Reservation) to view the existing reservations for the material.
  Enter the material number and check if there are any active reservations.
  
  
  
  Delete or Modify Reservations:
  
  If the reservations