Exception in thread "main" java.lang.IllegalArgumentException: Unable to create converter for class de.beatbrot.deezer.api.model.Album
    for method DeezerApi.getAlbum
	at retrofit2.ServiceMethod$Builder.methodError(ServiceMethod.java:752)
	at retrofit2.ServiceMethod$Builder.createResponseConverter(ServiceMethod.java:738)
	at retrofit2.ServiceMethod$Builder.build(ServiceMethod.java:169)
	at retrofit2.Retrofit.loadServiceMethod(Retrofit.java:170)
	at retrofit2.Retrofit$1.invoke(Retrofit.java:147)
	at com.sun.proxy.$Proxy4.getAlbum(Unknown Source)
	at de.beatbrot.deezer.api.model.AlternativeKt.main(Alternative.kt:26)
Caused by: java.lang.IllegalArgumentException: Expected a Class, ParameterizedType, or GenericArrayType, but <null> is of type null
	at com.squareup.moshi.Types.getRawType(Types.java:167)
	at com.squareup.moshi.ClassJsonAdapter$1.createFieldBindings(ClassJsonAdapter.java:83)
	at com.squareup.moshi.ClassJsonAdapter$1.create(ClassJsonAdapter.java:75)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:100)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:58)
	at com.squareup.moshi.CollectionJsonAdapter.newArrayListAdapter(CollectionJsonAdapter.java:52)
	at com.squareup.moshi.CollectionJsonAdapter$1.create(CollectionJsonAdapter.java:36)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:100)
	at com.squareup.moshi.KotlinJsonAdapterFactory.create(KotlinJsonAdapter.kt:184)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:100)
	at com.squareup.moshi.AdapterMethodsFactory$3.bind(AdapterMethodsFactory.java:176)
	at com.squareup.moshi.AdapterMethodsFactory.create(AdapterMethodsFactory.java:59)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:100)
	at com.squareup.moshi.KotlinJsonAdapterFactory.create(KotlinJsonAdapter.kt:184)
	at com.squareup.moshi.Moshi.adapter(Moshi.java:100)
	at retrofit2.converter.moshi.MoshiConverterFactory.responseBodyConverter(MoshiConverterFactory.java:91)
	at retrofit2.Retrofit.nextResponseBodyConverter(Retrofit.java:330)
	at retrofit2.Retrofit.responseBodyConverter(Retrofit.java:313)
	at retrofit2.ServiceMethod$Builder.createResponseConverter(ServiceMethod.java:736)
	... 5 more