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Question by ransunity · May 16, 2018 at 08:16 AM · namespace

Missing namespace 'System'

Hello, I get this error "The type or namespace name 'System' could not be found (are you missing a using directive or an assembly reference?)" alt text

I am using unity 2018 and visual studio 2017 all settings are default and this is freshly installed. i already tried reinstalling visual studio but i get the same result.

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avatar image Captain_Pineapple · May 16, 2018 at 10:50 AM 1
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Check the setting in this window. There you should have the external editor selected and it should NOT be none. In case Visual studio is not in there you have to search for the executable and apply it here.

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Answer by ransunity · May 17, 2018 at 07:52 PM

Hi it seems to be working fine now. i enabled the Netframework 3.5 from windows features.

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Answer by dawayoapps · May 16, 2018 at 11:58 AM

Is like say @idcanu ,the assembly script not connected to visual studio ;

-Close visual studio -Delete the script -Create a new script -Open with visual studio

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Answer by idcanu · May 16, 2018 at 11:25 AM

Hello i am not quite not sure but i guess some file are missing which connect unity and visual studio thats why its giving error. Is this error happen with mono behaviour also or just with visual studio. also in image it is shownig that possible solution fix on Alt+Enter try that. It might solve error

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