[Pw_forum] help

[Nyaruanda Calvince]

am a new user .
am running mpirun -np 2 pw.x < Si.band.in > Si.band.out calculation. The
following is my output:

     This program is part of the open-source Quantum ESPRESSO suite
     for quantum simulation of materials; please cite
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
          URL http://www.quantum-espresso.org",
     in publications or presentations arising from this work. More details
at
     http://www.quantum-espresso.org/wiki/index.php/Citing_Quantum-ESPRESSO

     Parallel version (MPI), running on     2 processors
     R & G space division:  proc/pool =    2

     Current dimensions of program PWSCF are:
     Max number of different atomic species (ntypx) = 10
     Max number of k-points (npk) =  40000
     Max angular momentum in pseudopotentials (lmaxx) =  3
     Waiting for input...
     Reading input from stdin

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     from card_kpoints : error #         1
      error while reading automatic k points
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

     stopping ...

Additionally, from my command line the following error messages appear
after the above run command.
may you help me please.
Regards
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