Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67920",
    "isFetching": false
  },
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    "highlightAllAnnotations": false,
    "id": "window-b05357ce-064a-4d03-866e-c78a6a30ce15",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67920",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
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    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-202ee1ae-f133-43b7-bd43-bdc5b1a6e80c"
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}