Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/200770",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3c22247d-073a-48cd-b24a-616a76928485",
      "cw-2e221f03-375f-4d7c-b8b3-9418397ce059"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8c8f55aa-234c-4980-a746-cde4fda5d613",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/200770",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2e221f03-375f-4d7c-b8b3-9418397ce059"
  }
}