Icy Version 1.9.9.1
Java(TM) SE Runtime Environment 10.0.2+13 (64 bit)
Running on Mac OS X 10.13.6 (x86_64)
Max java memory : 6.3 GB
Plugin ROI to detection 1.0.1.0
An error occured while installing the plugin :
java.lang.NoClassDefFoundError: plugins/adufour/blocks/lang/Block