Bug#466038: tuxguitar: java exception error on program start-up

Exception in thread main java.lang.UnsupportedClassVersionError: Bad version number in .class file I assume it's some sort of java version mismatch, but I don't really know much at all about Java, so it's not clear to me how to fix this error. ii sun-java5-jre [java2-runtime]

Bug#466038: tuxguitar: java exception error on program start-up

Package: tuxguitar Version: 0.9.1-4 Severity: important Hello, Tuxguitar stopped working in Debian unstable maybe a week ago. When starting the program, the following error appears: Exception in thread main java.lang.UnsupportedClassVersionError: Bad version number in .class file at