Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70355",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-01a8ed0f-03c6-4641-a00c-a31254e5f60d",
      "cw-74e919ab-72cf-4da2-8202-13b2adc13995"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-49ce9c97-6c3c-47a2-b8f6-48b7bdce305b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70355",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-74e919ab-72cf-4da2-8202-13b2adc13995"
  }
}