Build error when use DisposedCheck

Question

Dear all,

When I build debug my project and I get a message error as below :

Error 68 CA0001 : The following error was encountered while reading module 'Microsoft.SharePoint': Could not resolve type reference: [mscorlib].

Error 69 CA0001 : An unhandled exception occurred while analyzing assemblies

I do not know why it throw exception. Please help me !

Thanks / Phong Dang.