Why don't accept these numbers?

[LeviP]

Hi guys

Why doesn’t it let me put the 8 numbers in these fields?, but I only leave 3 if it lets me.

Any ideas, I only want 8 digits in that field with leading zeros

[diogolupcosta]

you should put 88888888 instead of 8 and increase numeric digits too

[LeviP]

thanks, solved