Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3009921",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
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    "highlightAllAnnotations": false,
    "id": "window-b6fb1bdc-9333-46d5-afd3-2ed5a4cf8365",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3009921",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b25ee69c-2678-4332-9e8c-fde17b9ab865"
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}