Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/64871",
    "isFetching": false
  },
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    "highlightAllAnnotations": false,
    "id": "window-19f94f06-cdb3-4950-84ca-d04551d4fe56",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/64871",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
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    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3527f32b-954e-4df2-a0c8-cfb31fdd0e7c"
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}