run-escript dont run

help me

I make: $ run-escript biaxialSmooth.py

the following error appears

Traceback (most recent call last):
  File "biaxialSmooth.py", line 22, in <module>
    prob = MultiScale(domain=mydomain,ng=numg,np=nump,random=False,rtol=1e-2,usePert=False,pert=-2.e-5,verbose=True)
  File "/home/roger/Documentos/myYade/trunk/examples/FEMxDEM/msFEM2D.py", line 77, in __init__
    self.__scenes=self.__pool.map(initLoad,range(ng))
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 251, in map
    return self.map_async(func, iterable, chunksize).get()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 567, in get
    raise self._value
RuntimeError: Simulation file to load doesn't exist: 0.yade.gz

thank