Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4050221",
    "isFetching": false
  },
  "window": {
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    "collectionIndex": 0,
    "companionAreaOpen": true,
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    "highlightAllAnnotations": false,
    "id": "window-5effd0b3-73a5-4a3c-bf8f-128d2d7c9c9c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4050221",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ccffbf9f-ff14-4c82-a6be-45d7d0c8a530"
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}