I cannot reproduce this. Are you sure you're modifying a current connection, and not creating a new one? Please send the exact steps you used. Did /dev/ttySHSF0 exist when you tried to modify the connection?
I cannot reproduce this. Are you sure you're modifying a current connection,
and not creating a new one? Please send the exact steps you used. Did
/dev/ttySHSF0 exist when you tried to modify the connection?