Can't build simple project. Very strange errors

[Suliman via Digitalmars-d-learn]

On Friday, 14 April 2017 at 10:40:00 UTC, Suliman wrote:
> I checked all possible combination of dmd and vibed (0.7.30 
> brunch). No result. Only a little bit another error:
>
> Copyright (C) Digital Mars 1989-2013  All rights reserved.
> http://www.digitalmars.com/ctg/optlink.html
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe4http6serv╤10listenHTTPFCАТЯ8АДЩSАЕМщttingsАТж24АКжRequestHandlerZSАТ╙2АДнLАЕЎer
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe4http6router9URLRouter7__ClassZ
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe4http6router9URLRouter6__ctorMFAyaZC4vibe4http6router9URLRouter
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe4http6server18HTTPServerSettings7__ClassZ
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe4http6server18HTTPServerSettings6__ctorMFZC4vibe4http6server18HTTPServerSettings
> .dub\build\application-debug-windows-x86-dmd_2073-5BBFAE5ECCC36FEC42565956CE2F0D0A\roadpoint.obj(roadpoint)
>  Error 42: Symbol Undefined 
> _D4vibe3web10validation10ValidEmail11__xopEqualsFKxS4vibe3web10validation10ValidEmailKxS4vibe3web10validation10ValidEmailZb

I can build project only in release mode with:
`dub --build=release`

Otherwise I am getting errors descripted above