Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4040952",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-8c5821f5-5423-4449-bd85-0133e83c9362"
    ],
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    "highlightAllAnnotations": false,
    "id": "window-7bcb3b5e-899a-4a78-b362-9a40883e2148",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4040952",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8c5821f5-5423-4449-bd85-0133e83c9362"
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}