TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/labor:2486/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-93e57221-b9e4-4134-942c-7db67d9faa54",
      "cw-645dff30-6158-466b-92fb-5a680efc5add"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9dda7eb9-3cd5-46ba-b1a7-fe34f56ded89",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/labor:2486/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-645dff30-6158-466b-92fb-5a680efc5add",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/labor:2486/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}