Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53226",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5b030ab1-3172-40a8-af41-a13cd68255c3",
      "cw-e64e74a6-14cb-4943-9415-f31c71540fc9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-76b66703-8f56-4730-a84f-0a71ce957a7e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53226",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e64e74a6-14cb-4943-9415-f31c71540fc9"
  }
}