TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/labor:3208/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a41af510-3561-4eeb-999b-400edcb207a1",
      "cw-92f66f4c-b207-4b22-9e5d-e904fb8dc98a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7c243240-2e44-41e5-a490-a99199b30618",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/labor:3208/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-92f66f4c-b207-4b22-9e5d-e904fb8dc98a",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/labor:3208/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}