Hi Bruce,
I am having an issue with the onyak NukeAlert module. When I disable the Ifinity Friendly url provider, the error goes away. I have posted the issue with Onyaktech but repeat it here in case you or another user can provide help.
without friendly urls: no error
/Default.aspx?tabid=760&nulrtact=getcampaign&id=9etlmjb5GQw%7C
with friendly urls: error
/newsletters/tabid/760/nulrtact/getcampaign/default.aspx?id=9etlmjb5gqw|