Failed Ajax request or invalid JSON when open PKP PN plugin

Software Support
,
2

Hi @Oleksandr_Radkevych,

I’d suggest reviewing some of the other tposts on the forum related to that message – there’s some good advice there. For example see here:

Or, try searching for “Failed Ajax request or invalid JSON PKP PN plugin” and you’ll see some relevant results.

Regards,

Roger
PKP Team