Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/5e270863-3780-4a38-99b5-05aae0f6a05c/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-efc3f256-b862-4786-8b41-1ac232775c71",
      "cw-dd39ba61-2488-4af8-9504-83ca39b17c39"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c198a296-f11c-44a5-aa3e-f268ba020843",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/5e270863-3780-4a38-99b5-05aae0f6a05c/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dd39ba61-2488-4af8-9504-83ca39b17c39",
    "thumbnailNavigationPosition": "far-bottom"
  }
}