Error preventing saving pdfs using zotero connector - Edge and Firefox; Report ID 1247103301;

schudziak

Zotero connector ceased to be able to download pdfs from Elsevier website and from these pdfs viewed online; Zotero version is 6.0.36. The plug-in only shows 'An error occurred while saving this item. Try again, and if the issue persists see Getting Help for more information.'
Zotero log file is as follows:

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

[JavaScript Error: "Downloaded PDF was not a PDF"]

version => 6.0.36, platform => Win32, oscpu => Windows NT 10.0; WOW64, locale => en-GB, appName => Zotero, appVersion => 6.0.36, extensions => Zotero LibreOffice Integration (6.0.4.SA.6.0.36, extension), Zotero Word for Windows Integration (6.0.4.SA.6.0.36, extension)

But the file in question definitely IS a pdf.