Posted by kibukj on May 19, 2019; 5:51pm
URL: https://discuss.asciidoctor.org/Error-running-asciidoctor-fopub-tp6928p6930.html

The latest version of Apache FOP (2.3) has issues with the JEuclid plugin:
http://apache-fop.1065347.n5.nabble.com/FOP-2-3-and-JEuclid-td46682.html

You may want to stick to Apache FOP 2.2 for now, until an updated version of the JEuclid plugin is released.