Can't save figure as jpg/png etc. Error: MATLAB:dis​patcher:lo​adLibrary Can't reload '/usr/loca​l/matlab/R​2008b/bin/​glnxa64/li​bmwdastudi​o.so'. ??? Error while evaluating uimenu Callback

Saving figures as conventional graphics (png or jpg, etc) gives this error message: MATLAB:dispatcher:loadLibrary Can't reload '/usr/local/matlab/R2008b/bin/glnxa64/libmwdastudio.so'. ??? Error while evaluating uimenu Callback

The library 'libmwdastudio' does exist: ek@***:/usr/local/matlab/R2008b/bin/glnxa64$ ls -l libmwdastudio.so -rwxr-xr-x 1 ek ek 5309992 Sep 3 2008 libmwdastudio.so

ek@***:/usr/local/matlab/R2008b/bin/glnxa64$ ldd libmwdastudio.so ./libmwdastudio.so: /usr/local/matlab/R2008b/bin/glnxa64/./../../bin/glnxa64/../../bin/glnxa64/libz.so.1: no version information available (required by /usr/lib/x86_64-linux-gnu/libpng16.so.16) ./libmwdastudio.so: /usr/local/matlab/R2008b/bin/glnxa64/./../../bin/glnxa64/../../bin/glnxa64/libz.so.1: no version information available (required by /usr/lib/x86_64-linux-gnu/libpng16.so.16) linux-vdso.so.1 (0x00007ffd6ab60000) libut.so => /usr/local/matlab/R2008b/bin/glnxa64/./../../bin/glnxa64/libut.so (0x00007f38def31000) ... and many other lines...

System: Ubuntu-Mate 18.04 Matlab: R2008b