From a79109d31174c32fa997e86f9ad29963dca55244 Mon Sep 17 00:00:00 2001
From: Alexander Danilov <modos189@protonmail.com>
Date: Sun, 28 Apr 2019 22:46:52 +0300
Subject: [PATCH] Additional checks to prevent errors during atypical use

---
 src/plugin/leaflet.canvas-markers.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/plugin/leaflet.canvas-markers.js b/src/plugin/leaflet.canvas-markers.js
index 315f50d..f834d89 100644
--- a/src/plugin/leaflet.canvas-markers.js
+++ b/src/plugin/leaflet.canvas-markers.js
@@ -529,8 +529,10 @@ function layerFactory(L) {
         },
         _removeGeneric: function (val, compareFn)
         {
-            this._latlngMarkers.remove(val, compareFn);
-            this._latlngMarkers.total--;
+            if (this._latlngMarkers) {
+                this._latlngMarkers.remove(val, compareFn);
+                this._latlngMarkers.total--;
+            }
         },
         addTo: function (map) {
             map.addLayer(this);