Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5374657",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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    "id": "window-98c88e3e-b2ff-45e0-a5d7-fa75b8679d6a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5374657",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3bc23598-c168-4c65-8b7d-6d7da6c4d5c1"
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}