Im new to this and ive been trying for hours to discover what is wrong with my code, I get the error 'Uncaught ReferenceError: ctlSideBar is not defined'
<body>
<div id="side-bar" class="col-md-12"></div>
<div id="mapdiv" class="col-md-11"></div>
<script>
var mymap;
var backgroundlayer;
var ctlEasybutton;
var ctlSideBar;
$(document).ready(function(){
mymap = L.map('mapdiv')
mymap.setView([-15.6019, -56.0996],11);
backgroundLayer = L.tileLayer('https://tile.thunderforest.com/pioneer/{z}/{x}/{y}.png?apikey=547983c172f24d96bd50e5de88061f50');
mymap.addLayer(backgroundLayer);
ctlSideBar = L.control.sidebar('side-bar').addTo(mymap);
ctlEasybutton = L.easyButton('glyphicon-tasks', function(){
ctlSidebar.toggle();
}).addTo(mymap);
});
</script>
</body>