Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/69f1709d-c35e-4f65-9eae-600877ed0fea/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-27ff595f-5902-4c4e-aba5-6a7431839013",
      "cw-bb626e4a-b382-486e-9f2f-4d9c94f12f6e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5871f527-50e6-41eb-a227-1ae855a39657",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/69f1709d-c35e-4f65-9eae-600877ed0fea/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bb626e4a-b382-486e-9f2f-4d9c94f12f6e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}