Aperture and Wordpress with Indieauth: authorization code could not be verfied

[Cambridgeport90]

Not sure wht happened here, but using the latest version of Wordpress,latest version of IndieAuth,I get the following while trying to sign into Aperture: https://cambridgeport90.org/author/cambridgeport90 brings up: indieauth error The authoriation code was not able to be verified I couldn't find any accompanying text to put the error in context. Suggestions? Thanks!