SyntaxError: Unexpected token '<', "<!DOCTYPE "... is not valid JSON
{
"manifest": {
"error": "SyntaxError: Unexpected token '<', \"<!DOCTYPE \"... is not valid JSON",
"id": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/1133/manifest.json",
"isFetching": false
},
"window": {
"collectionIndex": 0,
"companionAreaOpen": true,
"companionWindowIds": [
"cw-855578dd-a7a4-444e-ac40-573396ac67a6",
"cw-9d12378c-0dbe-467e-a519-1ca71c5d71ae"
],
"draggingEnabled": true,
"highlightAllAnnotations": false,
"id": "window-b34220cf-6dfa-42e4-8e7a-fa8ddf19dd1e",
"manifestId": "https://cdm16022.contentdm.oclc.org/iiif/info/mgs/1133/manifest.json",
"maximized": false,
"rangeId": null,
"rotation": null,
"selectedAnnotations": {},
"sideBarOpen": false,
"sideBarPanel": "info",
"thumbnailNavigationId": "cw-9d12378c-0dbe-467e-a519-1ca71c5d71ae"
}
}