Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70926",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-081189a6-25f0-4be9-8569-06470c991be6",
      "cw-e4c7b317-f850-40d9-aae2-0f16d66c9f71"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cc66f608-c1c4-421e-b77f-a5b571c53290",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70926",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e4c7b317-f850-40d9-aae2-0f16d66c9f71"
  }
}