Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/samford/iiif/90099e58-6be9-49e2-a3fd-4cad29871d8a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8d73b8d9-913f-4fc4-a769-d1c679627d00",
      "cw-89bec56d-586b-457a-9913-a4693bb7eec2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b51d77d2-0e9a-45e3-afbc-0f7ab449cd26",
    "manifestId": "https://iiif.quartexcollections.com/samford/iiif/90099e58-6be9-49e2-a3fd-4cad29871d8a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-89bec56d-586b-457a-9913-a4693bb7eec2",
    "thumbnailNavigationPosition": "far-bottom"
  }
}