Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/35979",
    "isFetching": false
  },
  "window": {
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-99eff207-4309-4544-9a04-0e2389207a10"
    ],
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    "highlightAllAnnotations": false,
    "id": "window-cb3c44d3-4cef-4b33-bd0c-b5cd5981734e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/35979",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-99eff207-4309-4544-9a04-0e2389207a10"
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}