[eclipse 1]: mps_init(breeze). yes. [eclipse 2]: mps_port_allocate(true/0, Port). Port = 2050162692 yes. [eclipse 3]: mps_send(2050162692,"Hello World !"). yes. [eclipse 4]: mps_receive(2050162692, Message). Message = "Hello World !" yes. [eclipse 5]: mps_port_deallocate(2050162692). yes. [eclipse 6]: mps_exit. yes. [eclipse 7]: mps_exit. message passing error in mps_exit