[HELP] Gold tree debug error

[Fume]

Okay so,
I added some commands into my Gold Tree Emulator, however I can not debug it,
when i debug I get the error of:

 Member modifier 'override' must precede the member type and name

Which is from the file InteractorFreezeIceBlock.cs, this has got me confused as I have not touched that file, therefore I tried to debug without any edits, and yet I still can't debug it, someone please help?
If you need to see any files, ask!

 

[Each]

Show me the InteractorFreezeIceBlock.cs "file"

 

[Fume]

Show me the InteractorFreezeIceBlock.cs "file"

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There.

 

[Each]

Try this.

    public override void proceed(){
    }

    public override bool isFinished(){
        return false;
    }

 

[AFrenchGuy]

Try this.

    public override void proceed(){
    }

    public override bool isFinished(){
        return false;
    }

Hi, where to put it ? I have the same problem , the same error for debugging.
thanks you.