Thanks for you answerI have java 8 now and after a clean install of CubeMX 5.5.0, it actually works fine now$ java -version
openjdk version "1.8.0_242"
OpenJDK Runtime Environment (build 1.8.0_242-8u242-b08-0ubuntu3~18.04-b08)
OpenJDK 64-Bit Server V...
