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-26fc6462-4f6e-40fd-b59f-281c9f4ba51a",
"cw-10685185-b75f-4e8a-a87f-de66a686c56c"
],
"draggingEnabled": true,
"highlightAllAnnotations": false,
"id": "window-69a286bf-2d62-4dbc-98ab-3b1ddc198c9f",
"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-10685185-b75f-4e8a-a87f-de66a686c56c"
}
}