hi all..

i am creating an acoustic model...for that i am following the steps given in the voxforge..and now i am in step 6. here i am facing problem in creation of proto file in hmm0 directory

when i run the command..

ubuntu@ub:~/Julius_Linux/voxforge/tutorial$ HCompV -A -D -T 1 -C config -f 0.01 -m -S train.scp -M hmm0 proto
HCompV -A -D -T 1 -C config -f 0.01 -m -S train.scp -M hmm0 proto

HTK Configuration Parameters[10]
  Module/Tool     Parameter                  Value
#                 NUMCEPS                       12
#                 CEPLIFTER                     22
#                 NUMCHANS                      26
#                 PREEMCOEF               0.970000
#                 USEHAMMING                  TRUE
#                 WINDOWSIZE         250000.000000
#                 SAVEWITHCRC                 TRUE
#                 SAVECOMPRESSED              TRUE
#                 TARGETRATE         100000.000000
#                 TARGETKIND          MFCC_D_N_Z_0

Calculating Fixed Variance
  HMM Prototype: proto
  Segment Label: None
  Num Streams  : 1
  UpdatingMeans: Yes
  Target Direct: hmm0
10378 speech frames accumulated
Updating HMM Means and Covariances
  ERROR [+7011]  SaveHMMSet: Cannot create HMM file hmm0/proto
  ERROR [+2011]  SaveModel: SaveHMMSet failed
 FATAL ERROR - Terminating program HCompV
 i am getting the above error can anyone please tell me what is the error?

thanks