java.lang.RuntimeException: Unable to start activity ComponentInfo : java.lang.NullPointerException: null cannot be cast to non-null type
I have an error when I click the item; an error appears like this : java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dicoding.bfaa_1/com.dicoding.bfaa_1.UserDetail}: java.lang.NullPointerException: null cannot be cast to non-null type com.dicoding.bfaa_1.User.
Here's my code
UserDetail.kt
package com.dicoding.bfaa_1
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_user_detail.*
class UserDetail :...