Mangohud doesn't work

Game Log:

ERROR: ld.so: object 'libMangoHud_dlsym.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

ERROR: ld.so: object 'libMangoHud.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

can't get libdl.so