Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/b1b6ce86-a4f1-434d-a3da-69942ea61479/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a7c02d21-563c-4a3f-9bf0-2684b3127acf",
      "cw-b2dcbbf9-a525-4e69-9e74-82ca629ce34e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-42b7dc1f-c67e-470f-8b68-11dcc79ccf8a",
    "manifestId": "https://iiif.quartexcollections.com/texas-wesleyan/iiif/b1b6ce86-a4f1-434d-a3da-69942ea61479/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b2dcbbf9-a525-4e69-9e74-82ca629ce34e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}