Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/818802",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-32a88df5-9d31-44ba-b74e-de2cc05519ac",
      "cw-31bcef72-7197-488d-a199-0bbb7090dea0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-179f9a71-456e-4f10-9f95-b64c214566fe",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/818802",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-31bcef72-7197-488d-a199-0bbb7090dea0"
  }
}