Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/55030",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c24f8530-3c36-4b60-83ed-0b33bcc81e74",
      "cw-1f90c920-d8cf-4abc-968e-87634ced1974"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a8c2336e-c4db-4687-a34c-11816614bdce",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/55030",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1f90c920-d8cf-4abc-968e-87634ced1974"
  }
}