SyntaxError: Unexpected token '<', "<!DOCTYPE "... is not valid JSON
{
"manifest": {
"error": "SyntaxError: Unexpected token '<', \"<!DOCTYPE \"... is not valid JSON",
"id": "https://digital.libraries.psu.edu/iiif/info/maps1/11667/manifest.json",
"isFetching": false
},
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],
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"id": "window-0930f332-dfff-46a7-b87a-b6ac33903ee3",
"manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/11667/manifest.json",
"maximized": false,
"rangeId": null,
"rotation": null,
"selectedAnnotations": {},
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"sideBarPanel": "info",
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