You have installed an invalid version. Install with:
go get -u github.com/kataras/iris/v12@latestIf your Open Source project depends on that pre-go1.9 version please open an issue
at https://github.com/kataras/iris/issues/new and share your repository with us,
we will upgrade your project's code base to the latest version for free.
If you have a commercial project that you cannot share publically, please contact with
@kataras at https://chat.iris-go.com. Assistance will be provided to you and your colleagues for free.