diff --git a/src/json-utils.js b/src/json-utils.js
index 7fd7381f4..1b48bb698 100644
--- a/src/json-utils.js
+++ b/src/json-utils.js
@@ -4,7 +4,7 @@
 Takes one or more elements (from a DOM queryselector call)
 and returns a Javascript object
 */
-function convertDOMElToObject (entity) {
+function convertDOMElToObject(entity) {
   const data = [];
   const environmentElement = document.querySelector('#environment');
   const referenceEntities = document.querySelector('#reference-layers');
@@ -23,7 +23,7 @@ function convertDOMElToObject (entity) {
   };
 }
 
-function getElementData (entity) {
+function getElementData(entity) {
   if (!entity.isEntity) {
     return;
   }
@@ -42,7 +42,7 @@ function getElementData (entity) {
   return elementTree;
 }
 
-function getAttributes (entity) {
+function getAttributes(entity) {
   const elemObj = {};
 
   elemObj['element'] = entity.tagName.toLowerCase();
@@ -83,7 +83,7 @@ function getAttributes (entity) {
   return elemObj;
 }
 
-function toPropString (propData) {
+function toPropString(propData) {
   if (
     typeof propData === 'string' ||
     typeof propData === 'number' ||
@@ -117,11 +117,11 @@ function toPropString (propData) {
   }
 }
 
-function isSingleProperty (schema) {
+function isSingleProperty(schema) {
   return AFRAME.schema.isSingleProperty(schema);
 }
 
-function isEmpty (object) {
+function isEmpty(object) {
   return Object.keys(object).length === 0;
 }
 
@@ -142,15 +142,15 @@ const renameProps = {
   intersection: 'not-intersection'
 };
 
-function filterJSONstreet (removeProps, renameProps, streetJSON) {
-  function removeValueCheck (removeVal, value) {
+function filterJSONstreet(removeProps, renameProps, streetJSON) {
+  function removeValueCheck(removeVal, value) {
     if (AFRAME.utils.deepEqual(removeVal, value) || removeVal === '*') {
       return true;
     }
     return undefined;
   }
 
-  let stringJSON = JSON.stringify(streetJSON, function replacer (key, value) {
+  let stringJSON = JSON.stringify(streetJSON, function replacer(key, value) {
     for (var removeKey in removeProps) {
       // check for removing components
       if (key === removeKey) {
@@ -203,7 +203,7 @@ function filterJSONstreet (removeProps, renameProps, streetJSON) {
  * @return                           The value of the component or components'
  *                                   property coming from mixins of the source.
  */
-function getMixedValue (component, propertyName, source) {
+function getMixedValue(component, propertyName, source) {
   var value;
   var reversedMixins = source.mixinEls.reverse();
   for (var i = 0; value === undefined && i < reversedMixins.length; i++) {
@@ -220,7 +220,7 @@ function getMixedValue (component, propertyName, source) {
   return [component.name, value];
 }
 
-function shallowEqual (object1, object2) {
+function shallowEqual(object1, object2) {
   if (
     (typeof object1 === 'string' && typeof object2 === 'string') ||
     (typeof object1 === 'number' && typeof object2 === 'number')
@@ -243,7 +243,7 @@ function shallowEqual (object1, object2) {
   return true;
 }
 
-function getModifiedProperty (entity, componentName) {
+function getModifiedProperty(entity, componentName) {
   const data = AFRAME.utils.entity.getComponentProperty(entity, componentName);
 
   // if it is element's attribute
@@ -305,7 +305,7 @@ function getModifiedProperty (entity, componentName) {
   return diff;
 }
 
-function createEntities (entitiesData, parentEl) {
+function createEntities(entitiesData, parentEl) {
   const sceneElement = document.querySelector('a-scene');
   const removeEntities = ['environment', 'reference-layers'];
   for (const entityData of entitiesData) {
@@ -347,7 +347,7 @@ Add a new entity with a list of components and children (if exists)
  * @param {Element} parentEl the parent element to which the Entity will be added
  * @return {Element} Entity created
 */
-function createEntityFromObj (entityData, parentEl) {
+function createEntityFromObj(entityData, parentEl) {
   const entity =
     entityData.entityElement || document.createElement(entityData.element);
 
@@ -449,11 +449,6 @@ AFRAME.registerComponent('set-loader-from-hash', {
     }
   },
   fetchJSON: function (requestURL) {
-    const sceneId = getUUIDFromPath(requestURL);
-    if (sceneId) {
-      console.log('sceneId from fetchJSON from url hash loader', sceneId);
-      AFRAME.scenes[0].setAttribute('metadata', 'sceneId', sceneId);
-    }
     const request = new XMLHttpRequest();
     request.open('GET', requestURL, true);
     request.onload = function () {
@@ -469,24 +464,36 @@ AFRAME.registerComponent('set-loader-from-hash', {
           '200 response received and JSON parsed, now createElementsFromJSON'
         );
         createElementsFromJSON(jsonData);
-        const sceneId = getUUIDFromPath(requestURL);
+        let sceneId = getUUIDFromPath(requestURL);
         if (sceneId) {
           console.log('sceneId from fetchJSON from url hash loader', sceneId);
           AFRAME.scenes[0].setAttribute('metadata', 'sceneId', sceneId);
         }
+      } else if (this.status === 404) {
+        console.error(
+          '[set-loader-from-hash] Error trying to load scene: Resource not found.'
+        );
+        AFRAME.scenes[0].components['notify'].message(
+          'Error trying to load scene: Resource not found.',
+          'error'
+        );
       }
     };
     request.onerror = function () {
       // There was a connection error of some sort
-      console.log(
+      console.error(
         'Loading Error: There was a connection error during JSON loading'
       );
+      AFRAME.scenes[0].components['notify'].message(
+        'Could not fetch scene.',
+        'error'
+      );
     };
     request.send();
   }
 });
 
-function getUUIDFromPath (path) {
+function getUUIDFromPath(path) {
   // UUID regex pattern: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}
   const uuidPattern =
     /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/;
@@ -500,7 +507,7 @@ function getUUIDFromPath (path) {
 }
 
 // this use os text input prompt, delete current scene, then load streetmix file
-function inputStreetmix () {
+function inputStreetmix() {
   streetmixURL = prompt(
     'Please enter a Streetmix URL',
     'https://streetmix.net/kfarr/3/example-street'
@@ -521,7 +528,7 @@ function inputStreetmix () {
 }
 
 // JSON loading starts here
-function getValidJSON (stringJSON) {
+function getValidJSON(stringJSON) {
   // Preserve newlines, etc. - use valid JSON
   // Remove non-printable and other non-valid JSON characters
   return stringJSON
@@ -530,16 +537,16 @@ function getValidJSON (stringJSON) {
     .replace(/[\u0000-\u0019]+/g, '');
 }
 
-function createElementsFromJSON (streetJSON) {
+function createElementsFromJSON(streetJSON) {
   let streetObject = {};
-  if (typeof streetJSON === 'string') {
+  if (typeof streetJSON == 'string') {
     const validJSONString = getValidJSON(streetJSON);
     streetObject = JSON.parse(validJSONString);
-  } else if (typeof streetJSON === 'object') {
+  } else if (typeof streetJSON == 'object') {
     streetObject = streetJSON;
   }
 
-  const sceneTitle = streetObject.title;
+  let sceneTitle = streetObject.title;
   if (sceneTitle) {
     console.log('sceneTitle from createElementsFromJSON', sceneTitle);
     AFRAME.scenes[0].setAttribute('metadata', 'sceneTitle', sceneTitle);
@@ -558,7 +565,7 @@ function createElementsFromJSON (streetJSON) {
 }
 
 // viewer widget click to paste json string of 3dstreet scene
-function inputJSON () {
+function inputJSON() {
   const stringJSON = prompt('Please paste 3DStreet JSON string');
   if (stringJSON) {
     createElementsFromJSON(stringJSON);
@@ -566,8 +573,8 @@ function inputJSON () {
 }
 
 // handle viewer widget click to open 3dstreet json scene
-function fileJSON () {
-  const reader = new FileReader();
+function fileJSON() {
+  let reader = new FileReader();
   reader.onload = function () {
     AFRAME.scenes[0].setAttribute('metadata', 'sceneId', '');
     AFRAME.scenes[0].setAttribute('metadata', 'sceneTitle', '');