Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6634518",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9f43f797-6358-440a-9839-48cf2ef38403",
      "cw-78965dcf-0b27-40dc-8776-801c5c1549ca"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-04e41144-ede9-464e-a220-22083a74bf97",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6634518",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-78965dcf-0b27-40dc-8776-801c5c1549ca"
  }
}