Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/b84c685e-62b0-4fc2-8450-6234879beedf/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4b66e448-4faa-4d23-889b-ef74467062ca",
      "cw-83e42b2c-0416-40e4-988c-2178ccb2cfba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-aad53084-0cbe-46b4-8127-1f5388decd76",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/b84c685e-62b0-4fc2-8450-6234879beedf/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-83e42b2c-0416-40e4-988c-2178ccb2cfba",
    "thumbnailNavigationPosition": "far-bottom"
  }
}