Receiving warnings for reference to type System.Func (could not be found)

[timvanderweijde]

I build a simple app targetting windows phone 7.1 (with the 8.0 SDK).

Latest version from nuget.

Two warnings:
Warning 1 Reference to type 'System.Func`6' claims it is defined in 'e:\Github\WindowsPhoneDev\Project1\sources\Project1\packages\Caliburn.Micro.1.4.1\lib\wp71\Caliburn.Micro.dll', but it could not be found e:\Github\WindowsPhoneDev\Project1\sources\Project1\packages\Caliburn.Micro.Autofac.1.5.0\lib\wp71\Caliburn.Micro.Autofac.dll PhoneApp71

Warning 2 Reference to type 'System.Func`6' claims it is defined in 'e:\Github\WindowsPhoneDev\Project1\sources\Project1\packages\Caliburn.Micro.1.4.1\lib\wp71\Caliburn.Micro.dll', but it could not be found e:\Github\WindowsPhoneDev\Project1\sources\Project1\packages\Caliburn.Micro.Autofac.1.5.0\lib\wp71\Caliburn.Micro.Autofac.dll PhoneApp71