Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/418ca80b-249f-48ff-88f0-580d4fef89e0/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95cc2192-88ad-48e3-8011-8519429931b1",
      "cw-4bb3d8dd-d791-4106-9ea9-911f56374b32"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eb8e5aee-51b6-4c6c-b0e4-0d0a4f94527c",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/418ca80b-249f-48ff-88f0-580d4fef89e0/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4bb3d8dd-d791-4106-9ea9-911f56374b32",
    "thumbnailNavigationPosition": "far-bottom"
  }
}