UnrealLightmass: error while loading shared libraries: libUnrealLightmass-Serialization.so

When I try to build lighting (in some project), in UE4Editor I get the following error message : Lighting build failed.
In command window, I get the following error message :

~/UnrealEngine/Engine/Binaries/Linux/UnrealLightmass: error while loading shared libraries: libUnrealLightmass-Serialization.so: cannot open shared object file: No such file or directory.

The file libUnrealLightmass-Serialization.so exist, so I don’t understand the UnrealLightmass error.

My O.S. is OpenSuse Leap 42.1 and I built UE4Editor from github.com ( 4.10.0 release) with no errors.

Thank you

Problem solved. My bad.
I had to launch UE4Editor by:

cd Engine/Binaries/Linux && LD_LIBRARY_PATH=“:$LD_LIBRARY_PATH:…/ThirdParty/LinuxNativeDialogs/Linux/x86_64-unknown-linux-gnu/:” ./UE4Editor

(source: A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums)
and, of course, I had to open port 6666 UDP in firewall.