Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/66150",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-76666aab-b37f-4dfb-a18a-0480313dc8ab",
      "cw-ff45ae26-acdd-4f0f-961b-b1b8cbd2f228"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7dd81952-0bae-461f-a624-c7dba22eba47",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/66150",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ff45ae26-acdd-4f0f-961b-b1b8cbd2f228"
  }
}