Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/statelibrarypa/iiif/cfcc5966-ded8-475c-b59c-f3138c399c63/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4fb8cd40-0dd8-4056-a1d1-20fc29c797cd",
      "cw-a5c93dae-15fa-4fc3-892c-89aec86a99bd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bc6b3f6d-b1d4-47e9-8db7-ff871ba1d437",
    "manifestId": "https://iiif.quartexcollections.com/statelibrarypa/iiif/cfcc5966-ded8-475c-b59c-f3138c399c63/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a5c93dae-15fa-4fc3-892c-89aec86a99bd",
    "thumbnailNavigationPosition": "far-bottom"
  }
}