[Pw_users] error in bands.x too

[ÕÅ ºé±ò]

Dear PWSCF-user:
  When I try to calculate and print band structure of MgB2 by bands.x 
following example05,
there is an error which show something like below:
  Reading file mgb.save
*************************************************
  from read_file:error#
  problem reading file /pwscf/tmp/mgb.save
*************************************************
 stopping
Pls tell me why and how to fit it.
many thanks

zhb

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