also

[fkomijani@localhost examples_graphics]$ cd /home/fkomijani/mpich2-1.4.1p1/examples
$ make hellow
CC hellow.c
../bin/mpicc -o hellow hellow.o

[fkomijani@localhost examples] $ mpirun -n 2 ./hellow
Hello world from process 0 of 2
Hello world from process 1 of 2

it is necessary to say that i was able to run uncoupled test successfully. i face with above error for coupled model.