Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/91d670c2-2940-4303-880b-0ce7e6b4b22a/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3dec3e5f-0baf-4213-aab1-ea8ba4df500f",
      "cw-601349b7-d4ee-4915-a0ee-94169a81b0d9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6de45ed0-d232-4f1c-b270-9a9b7fdfbff8",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/91d670c2-2940-4303-880b-0ce7e6b4b22a/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-601349b7-d4ee-4915-a0ee-94169a81b0d9",
    "thumbnailNavigationPosition": "far-bottom"
  }
}