Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/5e94879c-8b99-4efe-8c06-2f9e747e4a0f/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d33c0655-685b-4518-967a-7a29d81da763",
      "cw-d574a169-43d7-48e1-9bd6-7a1cc7d8a916"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d64727aa-b099-4f58-90b8-528cc625c312",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/5e94879c-8b99-4efe-8c06-2f9e747e4a0f/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d574a169-43d7-48e1-9bd6-7a1cc7d8a916",
    "thumbnailNavigationPosition": "far-bottom"
  }
}