[sudharsan]

Thanks a lot for your time.
I installed Glade on Manjaro Linux, and it works very well. So, I guess I’ll stick to it rather than debugging in Ubuntu.

Thanks again for your time.

[sudharsan]

Yes, Tried reinstalling (Both version 4.x and 5.x of glade available on the downloads page) but still get the same error.

[sudharsan]

Output for ldd glade

linux-vdso.so.1 (0x00007ffc7a9a4000)
	liblaff.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/liblaff.so.1 (0x00007f45394a3000)
	libdxf.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libdxf.so.1 (0x00007f453947f000)
	libmaze.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libmaze.so.1 (0x00007f4539453000)
	libgroute.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libgroute.so.1 (0x00007f4539442000)
	liboasis.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/liboasis.so.1 (0x00007f453941f000)
	libdrc.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libdrc.so.1 (0x00007f453938c000)
	libgeom.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libgeom.so.1 (0x00007f4539300000)
	libcdb.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libcdb.so.1 (0x00007f45391f9000)
	libcpp.so.1 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libcpp.so.1 (0x00007f4538acf000)
	libpython3.8.so.1.0 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libpython3.8.so.1.0 (0x00007f4538579000)
	libGLU.so.1 => /lib/x86_64-linux-gnu/libGLU.so.1 (0x00007f45384ec000)
	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f45384cf000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f45384ab000)
	libQt5PrintSupport.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5PrintSupport.so.5 (0x00007f4538444000)
	libQt5Svg.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Svg.so.5 (0x00007f45383e8000)
	libQt5Charts.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Charts.so.5 (0x00007f4538226000)
	libQt5Widgets.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Widgets.so.5 (0x00007f4537b78000)
	libQt5Gui.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Gui.so.5 (0x00007f45374d9000)
	libQt5Network.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Network.so.5 (0x00007f453730d000)
	libQt5Core.so.5 => /home/sudhar/Glade/glade5_linux64_ub20/lib/libQt5Core.so.5 (0x00007f4536d58000)
	libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007f4536cd0000)
	libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f4536aef000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f45369a0000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f4536985000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f4536799000)
	libexpat.so.1 => /lib/x86_64-linux-gnu/libexpat.so.1 (0x00007f453676b000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f4536765000)
	libutil.so.1 => /lib/x86_64-linux-gnu/libutil.so.1 (0x00007f4536760000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f453a227000)
	libharfbuzz.so.0 => /lib/x86_64-linux-gnu/libharfbuzz.so.0 (0x00007f453667d000)
	libicui18n.so.66 => /lib/x86_64-linux-gnu/libicui18n.so.66 (0x00007f453636b000)
	libicuuc.so.66 => /lib/x86_64-linux-gnu/libicuuc.so.66 (0x00007f453617f000)
	libpcre2-16.so.0 => /lib/x86_64-linux-gnu/libpcre2-16.so.0 (0x00007f45360fc000)
	libzstd.so.1 => /lib/x86_64-linux-gnu/libzstd.so.1 (0x00007f453602c000)
	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f4535efa000)
	libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f4535e40000)
	libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f4535e0c000)
	libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f4535d49000)
	libgraphite2.so.3 => /lib/x86_64-linux-gnu/libgraphite2.so.3 (0x00007f4535d1c000)
	libicudata.so.67 => /lib/x86_64-linux-gnu/libicudata.so.67 (0x00007f4534203000)
	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f453418e000)
	libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007f4534050000)
	libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f4534017000)
	libbrotlidec.so.1 => /lib/x86_64-linux-gnu/libbrotlidec.so.1 (0x00007f4534009000)
	libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f4533fdf000)
	libbrotlicommon.so.1 => /lib/x86_64-linux-gnu/libbrotlicommon.so.1 (0x00007f4533fba000)
	libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007f4533fb4000)
	libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f4533fac000)
	libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f4533f92000)

Output for ldd libQt5Core.so.5.15.0

linux-vdso.so.1 (0x00007ffe04308000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fa15d734000)
	libicui18n.so.66 => /lib/x86_64-linux-gnu/libicui18n.so.66 (0x00007fa15d422000)
	libicuuc.so.66 => /lib/x86_64-linux-gnu/libicuuc.so.66 (0x00007fa15d236000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fa15d230000)
	libpcre2-16.so.0 => /lib/x86_64-linux-gnu/libpcre2-16.so.0 (0x00007fa15d1ad000)
	libzstd.so.1 => /lib/x86_64-linux-gnu/libzstd.so.1 (0x00007fa15d0dd000)
	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007fa15cfa9000)
	libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007fa15cdc8000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fa15cc79000)
	libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fa15cc5e000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fa15ca74000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fa15dd28000)
	libicudata.so.67 => /lib/x86_64-linux-gnu/libicudata.so.67 (0x00007fa15af5b000)
	libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007fa15aee6000)

To see if it helps I upgraded to Ubuntu 20.10 Version (Dont ask, I know dumb move)
(Running the latest build)

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