Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4159415",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a3c43aa3-7562-4fb2-94fe-2eb19bfffbef",
      "cw-e29655e4-a8a0-4b00-88bf-6773bd44d1b8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f87e43f8-78d0-4b9c-b828-ef964bc55579",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4159415",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e29655e4-a8a0-4b00-88bf-6773bd44d1b8"
  }
}