global named parameter error

Hello.
On linuxcnc 2.10, 2.9. (axis, gmoccapy)
I try enter in MDI  " #<_varzag>=55 "
after i try load ngc file when using that variable " #100=#<_varzag>.
I got error "Named parameter #<_varzag> not defined" , programm working fine - why showed that error ?
 

You can solve that this way:

Thank you. working