Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/c6458933-95ab-4a96-a78c-d2e4f6260d78/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6bfe1127-6ad1-404f-b6ac-d852bc6b451f",
      "cw-4dfcf86d-c070-43cc-8fbc-de09c096f099"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e7205fbd-c82c-44e8-8675-d19f4a17fcba",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/c6458933-95ab-4a96-a78c-d2e4f6260d78/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4dfcf86d-c070-43cc-8fbc-de09c096f099",
    "thumbnailNavigationPosition": "far-bottom"
  }
}