Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/4285d9f5-9acd-49a9-bbc4-148202d61225/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-70723453-d58a-4e0b-98d5-77e3b5f19960",
      "cw-bcca5f59-d2ec-4f1e-a3b5-69f3af6f549d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-51be13d3-7c23-4eb2-8390-eee13aff6608",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/4285d9f5-9acd-49a9-bbc4-148202d61225/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bcca5f59-d2ec-4f1e-a3b5-69f3af6f549d",
    "thumbnailNavigationPosition": "far-bottom"
  }
}