visual studio 2017 - Package X is not compatible with netstandard2.0 -


i created .net standard v2.0 project in visual studio 2017 v15.3.1 , i'm unable install "microsoft.entityframeworkcore 2.0.0" package in (by nuget 4.3). .net sdk , runtime, both 2.0.0, installed.

the errors follow pattern: "package x not compatible netstandard2.0 (.netstandard,version=v2.0)." (i.e. system.reflection.typeextensions 4.1.0).

what causing these errors?

edit: i'll show exact warnings , errors example (there many).

restoring packages [.csproj path]...

warning:

package "system.collections 4.3.0" restored using ".netframework,version=v4.6.1" project target framework ".netstandard,version=v2.0". may cause compatibility problems.

...

error:

package remotion.linq 2.1.1 not compatible netstandard2.0 (.netstandard,version=v2.0). package remotion.linq 2.1.1 supports:

  • net35 (.netframework,version=v3.5)
  • net40 (.netframework,version=v4.0)
  • net45 (.netframework,version=v4.5)
  • netstandard1.0 (.netstandard,version=v1.0)
  • portable-net45+win8+wp8+wpa81 (.netportable,version=v0.0,profile=profile259)

...

error restoring package. reverting package changes 'classlibrary1'.

time elapsed: 00:00:02.4689637

========== ended ==========

issue solved installing, independently, newer versions each of packages' dependencies showing error, big package "microsoft.entityframeworkcore 2.0.0" gets installed @ last.

hope helps.


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