<Android Studio Dolphin (Kotlin) : App crashes whe...

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Android Studio Dolphin (Kotlin) : App crashes when launching
I tried creating a simple database in which i can add a product. delete products, and search.
I followed a tutorial on a book as i am a beginner in kotlin and android studio.
Here is the Manifest :

















Here is my main activity :
package com.ebookfrenzy.roomdemo

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.fragment.app.FragmentActivity
import...