Compile Source - Error main.o

Hi,
My problem is following, compile source stops in this error.
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You know how this fix?

I would add that when compile removes main.o...

post the full log, the error isnt on the screenshot

something in this style?
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a lot of stuff isnt declared, you made a mistake anywhere

just nil not edited, all i threw yes as was in some topic

which freebsd version? x86 or x64?

Kind Regards