[Wannier] pw2wannier90 CRASH in example5/6/7

[lan haiping]

Hi, all

   Recently, i try to use wannier function to analyze TM-oxide born
charge.But Right now i come to CRASH when i tried to understand
these examples implemented in wannier90 package.
 of coz, there is no problem for me to run example1-example4 just with
wannier90.x without pw2wannnier.x following the guide of tutorial.pdf.  But
i turned to example5-7 ,all came to CRASH when i run pw2wannier90.x.
Information stated in CRASH is

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     task #         0
     from davcio : error #        10
     i/o error in davcio
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Would you please do me a favor? any hints would be appreciated.

Regards,

hai-ping
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