From 0c86df7a855e1a13fe4d169e7703d7800acba46e Mon Sep 17 00:00:00 2001
From: Pieter Vander Vennet <pietervdvn@posteo.net>
Date: Tue, 24 Sep 2024 17:53:06 +0200
Subject: [PATCH] Chore: improve error handling

---
 src/UI/Map/ShowDataLayer.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/UI/Map/ShowDataLayer.ts b/src/UI/Map/ShowDataLayer.ts
index e5318829bc..9a84a8f4e1 100644
--- a/src/UI/Map/ShowDataLayer.ts
+++ b/src/UI/Map/ShowDataLayer.ts
@@ -31,6 +31,7 @@ class PointRenderingLayer {
 
     constructor(
         map: MlMap,
+        layer: LayerConfig,
         features: FeatureSource,
         config: PointRenderingConfig,
         metatags?: Store<Record<string, string>>,
@@ -47,7 +48,10 @@ class PointRenderingLayer {
         this._onClick = onClick
         this._selectedElement = selectedElement
         const self = this
-        features.features.addCallbackAndRunD((features) => self.updateFeatures(features))
+        if(!features?.features){
+            throw "Could not setup a PointRenderingLayer; features?.features is undefined/null. The layer is "+layer.id
+        }
+        features.features?.addCallbackAndRunD((features) => self.updateFeatures(features))
         visibility?.addCallbackAndRunD((visible) => {
             if (visible === true && self._dirty) {
                 self.updateFeatures(features.features.data)
@@ -601,6 +605,7 @@ export default class ShowDataLayer {
             for (const pointRenderingConfig of this._options.layer.mapRendering) {
                 new PointRenderingLayer(
                     map,
+                    this._options.layer,
                     features,
                     pointRenderingConfig,
                     this._options.metaTags,