Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/qstarter29/iiif/9e633f6f-45d5-4ff9-b4ea-c3977029305d/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1da72f99-556f-45aa-8924-cdc238d2a7df",
      "cw-749489ab-50f3-4892-85cd-bd24d8b23d14"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f4722a84-9be3-4336-97e3-741c2e7f0f33",
    "manifestId": "https://iiif.quartexcollections.com/qstarter29/iiif/9e633f6f-45d5-4ff9-b4ea-c3977029305d/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-749489ab-50f3-4892-85cd-bd24d8b23d14",
    "thumbnailNavigationPosition": "far-bottom"
  }
}