Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4025",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f124c9b4-d129-4936-92e9-a608c22c0c39",
      "cw-5e1b4797-775c-40ae-b346-802ef957d070"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2b94be23-0762-49b0-a11e-fa8c77069f80",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4025",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5e1b4797-775c-40ae-b346-802ef957d070"
  }
}