TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:918/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8a4e666f-6b64-4d67-a8ab-9e351d0a70f0",
      "cw-682e1dcc-ecfc-4d22-9e5f-ef3ee74c64fa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-325f82e1-d033-466e-a9db-ccce3c219794",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:918/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-682e1dcc-ecfc-4d22-9e5f-ef3ee74c64fa",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/broadcast:918/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}