I am building an E-commerce app. I am currently adding paperdb library to my project, but it showing me this error: Unable to resolve 'io.paperdb:paperdb:2.6'
app:gradle:depedencies:
dependencies
{
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.+'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.google.firebase:firebase-core:16.0.1'
implementation 'com.github.rey5137:material:1.2.5'
implementation 'com.android.support:cardview-v7:26.1.0'
implementation 'com.google.firebase:firebase-database:16.0.1'
implementation 'io.paperdb:paperdb:2.6'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.1'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
implementation 'com.android.support:recyclerview-v7:26.+'
}