ERCOFTAC centrifugal pump application error message
 

Hello everybody,
I am new in OpenFoam, and for the beginning i was trying to run ERCOFTAC Centrifugal pump application. Even though i've followed all the instroductions, i am getting an error message as:


gulacd2k@ws07:~/OpenFOAM/gulacd2k-2.1.x/run/ercoftacCentrifugalPump/cases/MRFSimpleFoam/ECPGgi2D> paraFoam
WARN file does not exist:
./system/controlDict
./system/fvSchemes
./system/fvSolution
created temporary 'ECPGgi2D.OpenFOAM'
NVIDIA: could not open the device file /dev/nvidiactl (Permission denied).


--> FOAM FATAL IO ERROR:
cannot find file

file: /home/gulacd2k/OpenFOAM/gulacd2k-2.1.x/run/ercoftacCentrifugalPump/cases/MRFSimpleFoam/ECPGgi2D/system/controlDict at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 73.

FOAM exiting


can anyone help me to solve this problem?