LD_LIBRARY_PATH : java.lang.UnsatisfiedLinkError: exception occurred in JNI_OnLoad

Dear All,

I am trying to install a software colladcad on Ubuntu 20.04

Getting below error. Could advice me how to fix the error.

Home Directory of COLLABCAD is .

LD_LIBRARY_PATH ./linux/lib:./linux/lib/other_libs:/usr/X11R6/lib
Exception in thread "main" java.lang.UnsatisfiedLinkError: exception occurred in JNI_OnLoad
at java.lang.ClassLoader$NativeLibrary.load(Unknown Source)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.<unknown>(Unknown Source)
at sun.security.action.LoadLibraryAction.<unknown>(Unknown Source)
at java.security.AccessController.<unknown>(Unknown Source)
at sun.awt.NativeLibLoader.loadLibraries(Unknown Source)
at sun.awt.DebugHelper.<clinit>(Unknown Source)
at sun.awt.DebugHelper.create(Unknown Source)
at java.awt.Component.<clinit>(Unknown Source)
at incad.CollabCAD.main(CollabCAD.java:105)

Regards,