Hello
i've encountered a problem trying to add more relations to my database.
in a nutshell i have 3 tables:

T1.Pk and other columns
T2.Pk and other columns
T3.Pk and other columns

i already have the following relations:
Foreign key    /    Primary Key
T2.Pk          /     T1.Pk

i try to add

T2.Pk          /      T3.Pk

i get an error message to do with T3.Pk. All the Pk columns have the same basic properties.
I tested this kind of relations on a different set of tables with the same result - i can't add a relation.

Can you help?
Tia