Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70803",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4f9792c7-8a0a-47ca-b485-b3a0337db5d8",
      "cw-f2097b16-838d-4eb8-ac4e-ac395ac524ca"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f1deda7f-7616-45b4-b90b-657e3b5b3a5c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70803",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f2097b16-838d-4eb8-ac4e-ac395ac524ca"
  }
}