diff --git a/packages/viewer-sandbox/src/main.ts b/packages/viewer-sandbox/src/main.ts
index 040fca3ca..0b36a0628 100644
--- a/packages/viewer-sandbox/src/main.ts
+++ b/packages/viewer-sandbox/src/main.ts
@@ -513,6 +513,9 @@ const getStream = () => {
     //too big?
     // `https://latest.speckle.systems/projects/126cd4b7bb/models/032d09f716`
     // 'https://app.speckle.systems/streams/da9e320dad/commits/5388ef24b8?c=%5B-7.66134,10.82932,6.41935,-0.07739,-13.88552,1.8697,0,1%5D'
+
+    // BUSTED model ID
+    // 'https://app.speckle.systems/projects/155101d3ca/models/b8d3b42787b2dc9fc412a8ae16af03ac385e48e6'
   )
 }
 
diff --git a/packages/viewer/src/modules/UrlHelper.ts b/packages/viewer/src/modules/UrlHelper.ts
index 583e45449..1a1aed844 100644
--- a/packages/viewer/src/modules/UrlHelper.ts
+++ b/packages/viewer/src/modules/UrlHelper.ts
@@ -142,7 +142,13 @@ async function getNewResourceUrls(url: string, authToken?: string): Promise<stri
     }
   }
 
-  return (await Promise.all(promises)).flat()
+  try {
+    const results = await Promise.all(promises)
+    return results.flatMap((val) => (Array.isArray(val) ? val : [val]))
+  } catch (e) {
+    Logger.error(e)
+    return []
+  }
 }
 
 async function objectResourceToUrl(
@@ -208,14 +214,15 @@ async function runModelLastVersionQuery(
   try {
     const data = await getResponse(res)
     return `${ref.origin}/streams/${ref.projectId}/objects/${data.project.model.versions.items[0].referencedObject}`
-  } catch (e) {
-    Logger.error(
-      `Could not get object URLs for project ${ref.projectId} and model ${
-        resource.modelId
-      }. Error: ${e instanceof Error ? e.message : e}`
+  } catch (e: unknown) {
+    return Promise.reject(
+      new Error(
+        `Could not get object URLs for project ${ref.projectId} and model ${
+          resource.modelId
+        }. Error: ${e instanceof Error ? e.message : e}`
+      )
     )
   }
-  return ''
 }
 
 async function runModelVersionQuery(
@@ -249,13 +256,14 @@ async function runModelVersionQuery(
     const data = await getResponse(res)
     return `${ref.origin}/streams/${ref.projectId}/objects/${data.project.model.version.referencedObject}`
   } catch (e) {
-    Logger.error(
-      `Could not get object URLs for project ${ref.projectId} and model ${
-        resource.modelId
-      }. Error: ${e instanceof Error ? e.message : e}`
+    return Promise.reject(
+      new Error(
+        `Could not get object URLs for project ${ref.projectId} and model ${
+          resource.modelId
+        }. Error: ${e instanceof Error ? e.message : e}`
+      )
     )
   }
-  return ''
 }
 
 async function runAllModelsQuery(
@@ -298,13 +306,14 @@ async function runAllModelsQuery(
     )
     return urls
   } catch (e) {
-    Logger.error(
-      `Could not get object URLs for project ${ref.projectId}. Error: ${
-        e instanceof Error ? e.message : e
-      }`
+    return Promise.reject(
+      new Error(
+        `Could not get object URLs for project ${ref.projectId}. Error: ${
+          e instanceof Error ? e.message : e
+        }`
+      )
     )
   }
-  return ['']
 }
 
 async function getResponse(res: Response) {