-24958: ERR_BAOVERWRITE - file already exists, cannot overwrite
Explanation:
An attempt has been made to perform a Save. However, the medium that you specified has already been used for a Save, and has been defined as Not overwritable.
User Action:
Use a different save medium or delete the existing one using the operating system tools. Alternatively, you could also adjust the medium definition.
Overwriting or deleting a medium destroys all data stored there.