Debian 9 PnCConf Wizard error

I am using os debian 9, MESA 7i76E Ethernet Board, install the current stable release of LinuxCNC 2.7.

In PnCConf wizard, i am select 7i76e board, assigned x,y,z stepgen, then apply value for driver then click for forward given error as PNCconf encountered an error.

for linuxcnc install following given step.
gnipsel.com/linuxcnc/uspace/index.html

Did you try to open an existing config ? Does it run ?
It looks like something with "locale" is not right.

yes try my existing config it was run.......

Thanks

i am try in other system its configuration like this.
os debian 9, MESA 7i76E Ethernet Board, install the latest build of LinuxCNC 2.8 from the Buildbot
In PnCConf wizard give me same error
i try with existing config it give error like joint : X

Nkonnect wrote: i try with existing config it give error like joint : X

X what ???

Can you post the result of running "locale"?