Error on first build after downloading project from ASP Net Boiler Plate with ASP.Net Core 1.x Multi Page Web Application -

i using visual studio 2017. download project asp net boiler plate , open in vs 17. when rebuild solution got big list of 370 errors. few listed below due content limits.

severity code description project file line suppression state error package microsoft.aspnetcore.server.kestrel 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.server.kestrel 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.authentication.cookies 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.authentication.cookies 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.options.configurationextensions 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.options.configurationextensions 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.tools 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.tools 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.zerocore.entityframeworkcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.zerocore.entityframeworkcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.testbase 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.testbase 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.json 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.json 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.automapper 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.automapper 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error 1 or more packages incompatible .netcoreapp,version=v2.0. 0
error package microsoft.extensions.configuration.json 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.json 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.automapper 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.automapper 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error 1 or more packages incompatible .netcoreapp,version=v2.0. 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.usersecrets 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.usersecrets 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.castle.log4net 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.castle.log4net 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.tools 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.tools 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.json 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.json 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.owin 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.owin 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.environmentvariables 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.environmentvariables 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.json 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.json 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.automapper 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.automapper 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.server.iisintegration 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.server.iisintegration 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.sqlserver 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.sqlserver 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.zerocore.entityframeworkcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.zerocore.entityframeworkcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.mvc 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.mvc 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.server.kestrel 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.server.kestrel 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.tools 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.tools 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.design 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.design 2.0.0 supports: - net461 (.netframework,version=v4.6.1) - netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.json 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.json 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.zerocore.entityframeworkcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.zerocore.entityframeworkcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error 1 or more packages incompatible .netcoreapp,version=v2.0. 0
error package microsoft.extensions.secretmanager.tools 2.0.0 not compatible netcoreapp1.0 (.netcoreapp,version=v1.0). package microsoft.extensions.secretmanager.tools 2.0.0 supports: netcoreapp2.0 (.netcoreapp,version=v2.0) 0
error package microsoft.visualstudio.web.codegenerators.mvc 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.visualstudio.web.codegenerators.mvc 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.zerocore.entityframeworkcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.zerocore.entityframeworkcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.sqlserver 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.sqlserver 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.visualstudio.web.browserlink 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.visualstudio.web.browserlink 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.usersecrets 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.usersecrets 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.automapper 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.automapper 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.automapper 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.automapper 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.castle.log4net 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.castle.log4net 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.authentication.jwtbearer 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.sqlserver 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.sqlserver 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.mvc.razorpages 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.mvc.razorpages 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.logging 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.logging 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.loggingfacility.mslogging 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.loggingfacility.mslogging 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.usersecrets 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.usersecrets 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.sqlserver 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.sqlserver 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore.authentication.twitter 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore.authentication.twitter 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.visualstudio.web.browserlink 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.visualstudio.web.browserlink 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.aspnetcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.aspnetcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.zerocore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.zerocore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.options.configurationextensions 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.options.configurationextensions 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.visualstudio.web.codegenerators.mvc 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.visualstudio.web.codegenerators.mvc 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.extensions.configuration.usersecrets 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.extensions.configuration.usersecrets 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.aspnetcore 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.aspnetcore 2.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package castle.windsor.msdependencyinjection 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package castle.windsor.msdependencyinjection 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package abp.aspnetcore 3.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package abp.aspnetcore 3.0.0 supports: netstandard2.0 (.netstandard,version=v2.0) 0
error package microsoft.entityframeworkcore.design 2.0.0 not compatible netcoreapp2.0 (.netcoreapp,version=v2.0). package microsoft.entityframeworkcore.design 2.0.0 supports: - net461 (.netframework,version=v4.6.1) - netstandard2.0 (.netstandard,version=v2.0) 0
blockquote

looking help!. thanks

i can latest version being compiled without errors.

are running vs 15.3.3?

did install .net core sdk? https://www.microsoft.com/net/download/core