Mirador viewer

TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
    "id": "https://manifests.collections.yale.edu/yuag/obj/84371",
    "isFetching": false
  },
  "window": {
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6823acf9-ea28-4714-b9ad-3464d10abd74",
    "manifestId": "https://manifests.collections.yale.edu/yuag/obj/84371",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-88b1bea4-5e69-4053-87fa-61069d62be1a"
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}