Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4859847",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-257b6a6d-d1c3-42a1-8b21-7eb132dd8ea7",
      "cw-330db6d5-c8f5-4f98-a564-cedbb7326334"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9851c569-5f02-4a13-9e0e-0e008bf7bd49",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4859847",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-330db6d5-c8f5-4f98-a564-cedbb7326334"
  }
}
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