Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/604/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-18cce9a4-0d23-48a6-9f5f-00f7c43e83d4",
      "cw-1d31f070-17be-4064-b42c-10570b08b3ce"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5f28b9c9-5b0b-455e-bd14-510446ca1f88",
    "manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/604/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1d31f070-17be-4064-b42c-10570b08b3ce"
  }
}