diff --git a/packages/phoenix-event-display/src/managers/ui-manager/phoenix-menu/phoenix-menu-node.ts b/packages/phoenix-event-display/src/managers/ui-manager/phoenix-menu/phoenix-menu-node.ts
index 01a15618..562c1312 100644
--- a/packages/phoenix-event-display/src/managers/ui-manager/phoenix-menu/phoenix-menu-node.ts
+++ b/packages/phoenix-event-display/src/managers/ui-manager/phoenix-menu/phoenix-menu-node.ts
@@ -206,8 +206,8 @@ export class PhoenixMenuNode {
 
     this.childrenActive = jsonObject['childrenActive'];
     this.toggleState = jsonObject['toggleState'];
-    // eslint-disable-next-line
-    this.toggleState !== undefined && this.onToggle?.(this.toggleState);
+
+    this.onToggle?.(this.toggleState);
 
     for (const configState of jsonObject['configs']) {
       const nodeConfigs = this.configs.filter(
diff --git a/packages/phoenix-event-display/src/managers/url-options-manager.ts b/packages/phoenix-event-display/src/managers/url-options-manager.ts
index b5639ba1..74cb7e47 100644
--- a/packages/phoenix-event-display/src/managers/url-options-manager.ts
+++ b/packages/phoenix-event-display/src/managers/url-options-manager.ts
@@ -77,23 +77,32 @@ export class URLOptionsManager {
     }
 
     if (!this.urlOptions.get('file') || !this.urlOptions.get('type')) {
-      console.log('Setting and config from defaults');
       file = defaultEventPath;
       type = defaultEventType;
     } else {
-      console.log('Setting and config from urlOptions');
       file = this.urlOptions.get('file') ?? '';
       type = this.urlOptions.get('type')?.toLowerCase() ?? '';
+      console.log(
+        'Default file(',
+        defaultEventPath,
+        ') was overridden by URL options to: ',
+        file,
+      );
     }
 
-    console.log('Loading ', file, 'of type', type);
-    // Load config from URL
+    console.log('Try to load event file: ', file, 'of type', type);
+    // Try to load config from URL
     const loadConfig = () => {
       if (this.urlOptions.get('config')) {
         this.eventDisplay.getLoadingManager().addLoadableItem('url_config');
         fetch(this.urlOptions.get('config') ?? '')
           .then((res) => res.json())
           .then((jsonState) => {
+            console.log(
+              'Applying configuration ',
+              this.urlOptions.get('config'),
+              '  from urlOptions',
+            );
             const stateManager = new StateManager();
             stateManager.loadStateFromJSON(jsonState);
           })
@@ -141,7 +150,14 @@ export class URLOptionsManager {
    * @returns An empty promise. ;(
    */
   private async handleJiveXMLEvent(fileURL: string) {
-    const fileData = await (await fetch(fileURL)).text();
+    const fileData = await (
+      await fetch(fileURL).then((response) => {
+        if (response.status >= 400 && response.status < 600) {
+          throw new Error('Bad response from server');
+        }
+        return response;
+      })
+    ).text();
     if (!this.configuration.eventDataLoader) {
       this.configuration.eventDataLoader = new JiveXMLLoader();
     }