Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6752569",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-02d6f72d-b4b9-4d2b-8dc5-36cb567e16e4",
      "cw-36690281-233c-4570-8039-5c955279d957"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c7611f47-b9e6-4926-a136-88977e5180c0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6752569",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-36690281-233c-4570-8039-5c955279d957"
  }
}