Drop Down Picklist Issue

Drop Down Picklist Issue

Good day I got some problems creating an automatically filled picklist, when I try to Save the Script I got the following message "Error modifying the page" Null

I have this code

    must  have  Equipo
    (
        displayname = "Equipo"
type  =  picklist
values = Products.ID
        displayformat = [ Products ]
        allow new entries = true
[
            displayname = ""
        ]
searchable  =  true
        width  =  206px
    )