Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50010",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-76161500-562f-4ed3-b755-beaeff9320bf",
      "cw-50cc92b1-7336-4bcd-9506-cda42ff23068"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5a6921f1-60bc-4f86-b14a-e40df003ad70",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50010",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-50cc92b1-7336-4bcd-9506-cda42ff23068"
  }
}