The value you entered isn't valid for this field

[paologucci]

I'm using a lookup field. I used it in one table it's working fine but in my transaction table i have an error. I need help

[alansidman]

http://access.mvps.org/access/lookupfields.htm

Do your lookups in a form and not directly in a table

[paologucci]

Thank alansideman you i will try it