Mirador

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "/werk/4255/iiif/",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3fa0fb65-b782-411d-ac94-2e7afc3152fa",
      "cw-3cb6a231-7f1a-45ed-bd9c-e8ec1a225849"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c95dc9fc-ff4c-48ee-9506-7148915c291f",
    "manifestId": "/werk/4255/iiif/",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3cb6a231-7f1a-45ed-bd9c-e8ec1a225849",
    "thumbnailNavigationPosition": "off",
    "loadedManifest": "/werk/4255/iiif/",
    "canvasIndex": 2
  }
}