Error with compileSdkVersion 26

[raminhbbAU]

Hey there,

I was looking forward a sustainable toast library and I found Toasty as a good one but unfortunately I can't use it with my configuration and I get Gradle error. Any help would be appreciate.

compileSdkVersion 26
buildToolsVersion '26.0.2'
minSdkVersion 16
targetSdkVersion 26

dependencies {
compile 'com.android.support:appcompat-v7:26.0.0'
compile 'com.android.support:design:24.2.1'
implementation 'com.github.GrenderG:Toasty:1.5.0'
}

The error is here: