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/maps1/24251/manifest.json",
"isFetching": false
},
"window": {
"collectionIndex": 0,
"companionAreaOpen": true,
"companionWindowIds": [
"cw-dcb2fb8d-f926-4ef3-a609-94d477f5aa6e",
"cw-632d8dda-6212-4997-8a87-af28b4985f57"
],
"draggingEnabled": true,
"highlightAllAnnotations": false,
"id": "window-c22b047e-ad6d-4e0f-8f56-4d75ce19bfad",
"manifestId": "https://digital.libraries.psu.edu/iiif/info/maps1/24251/manifest.json",
"maximized": false,
"rangeId": null,
"rotation": null,
"selectedAnnotations": {},
"sideBarOpen": false,
"sideBarPanel": "info",
"thumbnailNavigationId": "cw-632d8dda-6212-4997-8a87-af28b4985f57"
}
}