Выдает Unresolved reference: activity_entry OnCreate()

package com.hl3hl3.arcoremeasure

import android.content.Intent
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.Logger
import com.google.ar.core.*
import com.google.ar.core.ArCoreApk.InstallStatus
import com.google.ar.core.examples.java.helloar.CameraPermissionHelper
import com.google.ar.core.exceptions.UnavailableApkTooOldException
import com.google.ar.core.exceptions.UnavailableArcoreNotInstalledException
import com.google.ar.core.exceptions.UnavailableSdkTooOldException
import com.google.ar.core.exceptions.UnavailableUserDeclinedInstallationException
import kotlinx.android.synthetic.main.activity_entry.*


class EntryActivity : AppCompatActivity() {
    private val TAG: String = "EntryActivity"
    private var installRequested: Boolean = false

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_entry)
    }

Выдает Unresolved reference:activity_entry