//ERROR
java.lang.IllegalStateException: An autoincrementing column field cannot be null.

// My class
@Table(database = NameDatabase::class)
class Name_Class (
        @PrimaryKey(autoincrement = true)
                            @Column
        var id: Long? = 0, 
.................
):Parcelable{
    constructor(parcel: Parcel) : this(
            parcel.readValue(Long::class.java.classLoader) as? Long,
            ..............            
)
override fun writeToParcel(parcel: Parcel, flags: Int ) {
         parcel.writeValue(id)  
         ... 
                                                         }
override fun describeContents(): Int {
        return 0
    }
companion object CREATOR : Parcelable.Creator<Name_Class> {
        override fun createFromParcel(parcel: Parcel): Name_Class {
            return Name_Class(parcel)
        }

        override fun newArray(size: Int): Array<Name_Class?> {
            return arrayOfNulls(size)
        }}
}