Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/8285",
    "isFetching": false
  },
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    "highlightAllAnnotations": false,
    "id": "window-9c4b5e49-d2cf-41eb-abc3-20f35db93c6f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/8285",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b3d4303-bdee-495e-8786-2b1c1b3c9e1b"
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}