errors. A possible cause is that the system selected an old version of
the SimGrid library somewhere on your disk.
-Dicover which version is used with ``ldd name-of-yoursimulator``.
+Discover which version is used with ``ldd name-of-yoursimulator``.
Once you've found the obsolete copy of SimGrid, just erase it, and
recompile and relaunch your program.