@if($Grupo['i_estado'])
<div class="mt-element-list">
    <div class="mt-list-head list-simple font-white bg-green-sharp">
        <div class="list-head-title-container">
            <div class="list-date">Calificación </div>
            <h3 class="list-title">{{$Grupo['vc_nombre']}}</h3>
        </div>
    </div>
    

        @foreach($Grupo->grupos as $subgrupo) 
        @if($subgrupo['i_estado'])
        <h5><b>{{$subgrupo['vc_nombre']}}</b></h5>
        <div class="mt-list-container list-simple">

            <br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function sortBy() on null in /var/www/html/resources/views/themes/bootstrap/components/listcole.blade.php:18
Stack trace:
#0 {main}
  thrown in <b>/var/www/html/resources/views/themes/bootstrap/components/listcole.blade.php</b> on line <b>18</b><br />