my app is install successfully on emulator but not running it is being crashed while running kindly help me.i have attached the logcat of my app below

Question

2020-09-26 23:26:04.833 7843-7843/? I/ple.qasigrocer: Not late-enabling -Xcheck:jni (already on) 2020-09-26 23:26:04.854 7843-7843/? I/ple.qasigrocer: Unquickening 12 vdex files! 2020-09-26 23:26:04.860 7843-7843/? W/ple.qasigrocer: Unexpected CPU variant for X86 using defaults: x86 2020-09-26 23:26:04.981 7843-7843/com.example.qasigrocery D/ApplicationLoaders: Returning zygote-cached class loader: /system/framework/android.test.base.jar 2020-09-26 23:26:05.520 7843-7843/com.example.qasigrocery D/NetworkSecurityConfig: No Network Security Config specified, using platform default 2020-09-26 23:26:05.522 7843-7843/com.example.qasigrocery D/NetworkSecurityConfig: No Network Security Config specified, using platform default 2020-09-26 23:26:05.570 7843-7865/com.example.qasigrocery D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so 2020-09-26 23:26:05.575 7843-7865/com.example.qasigrocery D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so 2020-09-26 23:26:05.579 7843-7865/com.example.qasigrocery D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so 2020-09-26 23:26:05.913 7843-7843/com.example.qasigrocery W/ple.qasigrocer: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed) 2020-09-26 23:26:05.913 7843-7843/com.example.qasigrocery W/ple.qasigrocer: Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed) 2020-09-26 23:26:06.544 7843-7843/com.example.qasigrocery D/AndroidRuntime: Shutting down VM 2020-09-26 23:26:06.550 7843-7843/com.example.qasigrocery E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.qasigrocery, PID: 7843 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.qasigrocery/com.example.qasigrocery.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.navigation.NavigationView.setNavigationItemSelectedListener(com.google.android.material.navigation.NavigationView$OnNavigationItemSelectedListener)' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3449) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:223) at android.app.ActivityThread.main(ActivityThread.java:7656) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.material.navigation.NavigationView.setNavigationItemSelectedListener(com.google.android.material.navigation.NavigationView$OnNavigationItemSelectedListener)' on a null object reference at com.example.qasigrocery.MainActivity.onCreate(MainActivity.java:41) at android.app.Activity.performCreate(Activity.java:8000) at android.app.Activity.performCreate(Activity.java:7984) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)  at android.os.Handler.dispatchMessage(Handler.java:106)  at android.os.Looper.loop(Looper.java:223)  at android.app.ActivityThread.main(ActivityThread.java:7656)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)