Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/2cee20eb-0589-4e53-a121-f833444312ff/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9a1262f6-bea8-442d-a8c5-af8533542c4b",
      "cw-b38cccbc-13b7-406b-b244-f8409613dfd0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8365bd8f-1fb0-464b-b2d7-930fdb5bc9ce",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/2cee20eb-0589-4e53-a121-f833444312ff/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b38cccbc-13b7-406b-b244-f8409613dfd0",
    "thumbnailNavigationPosition": "far-bottom"
  }
}