Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/8b574b69-d1e2-451a-b709-5521d4895630/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-36478399-a5f4-45ba-b8c9-783a46520370",
      "cw-84e568a9-c630-49e1-aba6-04c4f066ded0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-45bf2995-a0bd-4901-9810-61758a24b900",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/8b574b69-d1e2-451a-b709-5521d4895630/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-84e568a9-c630-49e1-aba6-04c4f066ded0",
    "thumbnailNavigationPosition": "far-bottom"
  }
}