Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73012",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ea428e8a-6bcc-430b-96ce-b47dc4d3a60d",
      "cw-5fd2e140-444b-47eb-8abf-cec816c68d60"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-25ce8a40-4c6f-4902-b0c5-87a21c0db63d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73012",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5fd2e140-444b-47eb-8abf-cec816c68d60"
  }
}