Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://manifests.collections.yale.edu/yuag/obj/52716",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-6fa2f80f-993e-4083-b809-3402fbb3c2a4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2ba6a557-1677-47a2-ac0c-42b3e9bfdb3a",
    "manifestId": "https://manifests.collections.yale.edu/yuag/obj/52716",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6fa2f80f-993e-4083-b809-3402fbb3c2a4"
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}