'RavePayManager' is abstract; cannot be instantiated

[tadic7]

    new RavePayManager(this)
            .setAmount(amount)

[Adeol2001]

j'ai la même erreur

[Adeol2001]

I resolue the wanderer try to put maven { url 'https://jitpack.io' } in allprojects { repositories { google() jcenter() maven { url 'https://jitpack.io' } } }