GiwsException::JniCallMethodException on FreeBSD

Ad read in Scilab works on my system - linux mint 21.2, but it gives a GLException, can I fix this? - #2 by mottelet I tried

export _JAVA_OPTIONS='-Djogl.disable.opengles'

and then

export LIBGL_ALWAYS_SOFTWARE=true scilab

Without success: same error Terminating due to uncaught exception 0x362a1cac0700 of type GiwsException::JniCallMethodException