[OMPI devel] Error (mpirun: symbol lookup error: /usr/local/lib/openmpi/mca_rmaps_load_balance.so: undefined symbol: orte_rmaps_base_get_starting_point )

[Leo P.]

HI everyone, 
I am getting this error when i am running 
$ mpirun -np 10 myapp
mpirun: symbol lookup error: /usr/local/lib/openmpi/mca_rmaps_load_balance.so: 
undefined symbol: orte_rmaps_base_get_starting_point
Any help would be greatly appreciated 
Thank you