Why this field isn't fillable?

[#1]

hi everybody!

i need to fill the bottom right field "Copia" with text from user.

http://www.adrive.com/public/b59bf2ad4bff912b9ac8dfb462d3b8e580199d2235304f28dd942a66ca274c73.html

how can i get this?

thanks in advance

[paulk07]

It appears you need to change the field type from "Text" to "Text Field."  Text Fields allow the entry of text by a user.

[#3]

how can i?

[paulk07]

Delete the "Text" field from the form and from your library's standard tab, add a Text Field.