Update maintenance.blade.php

Author: JulianPrieber

resources/views/maintenance.blade.php

@@ -93,7 +93,7 @@
         <h1 style="font-size: 300%;"><i class="fa-solid fa-screwdriver-wrench"></i> Maintenance Mode <i class="fa-solid fa-screwdriver-wrench"></i></h1>
 		      <h2>We are performing scheduled site maintenance at this time.</h2>
           <h3>Please check back with us later.</h3>
-          @if(auth()->user()->role == 'admin')
+          @if(auth()->user() && auth()->user()->role == 'admin')
           <br><center><i>Admin options:</i></center>
           <a href="{{url('dashboard')}}">Dashboard</a> | <a href="{{url('?maintenance=off')}}" onclick="return confirm('You are about to disable Maintenance Mode. Are you sure?');">Turn off</a>
           @endif