[SonicGenerations] HMM currently unable to launch the game

[epicRedHot]

"Hedge Mod Manager Has Thrown an Exception!" screen appears as soon as either 'Save' or 'Save and Play' are clicked - Sonic Generations doesn't seem to open at all.

HMM_Snapshot_00032024192249.txt

HMM Info:

    Version: 7.12-4
    Args: 
    StartDir: C:\Program Files (x86)\Steam\steamapps\common\Sonic Generations
    Process Level: User
    Game: Sonic Generations
    GameInstall: Sonic Generations
    Update Status: Up To Date

Exception:

    Type: IOException
    Message: The requested operation cannot be performed on a file with a user-mapped section open.

    Source: mscorlib
    Function: Void WinIOError(Int32, System.String)
    StackTrace: 
       at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
       at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
       at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize)
       at HedgeModManager.CodeCompiler.CodeProvider.CompileCodes[TCollection](TCollection sources, String assemblyPath, IIncludeResolver includeResolver, String[] loadsPaths)
       at HedgeModManager.ModsDB.<SaveDB>d__39.MoveNext() in D:\GitHub\HedgeModManager\HedgeModManager\ModsDB.cs:line 254
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at HedgeModManager.MainWindow.<SaveModsDB>d__43.MoveNext() in D:\GitHub\HedgeModManager\HedgeModManager\UI\MainWindow.xaml.cs:line 739
    --- End of stack trace from previous location where exception was thrown ---
       at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
       at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
       at HedgeModManager.MainWindow.<SaveConfig>d__55.MoveNext() in D:\GitHub\HedgeModManager\HedgeModManager\UI\MainWindow.xaml.cs:line 1104

[thesupersonic16]

As mentioned in the linked comment, this is a duplicate of #836.