Mirador viewer

TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
    "id": "https://manifests.collections.yale.edu/yuag/obj/76677",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-389c8d76-38b1-4d05-959b-168987b5366e",
    "manifestId": "https://manifests.collections.yale.edu/yuag/obj/76677",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6ff8492a-0145-4a53-a3cf-08c421e87f67"
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}