Hey penta, I wasn't berating you for the lack of precise message. I was just saying it's difficult to help.
I have not run into a situation where I couldn't enter data that will be stored in a database on a form because of a relationship with some other form and where I've received a message.
However, I have had a message that said I couldn't use the Master/Child Link field builder (the elipses "..." to the right of the Master/Child Link Field Properties of a subform) because the parent was not a bound form. That could be what you meant by "entering data". I believe in this case it would have been more correct to say "I can't set the properties for the Master/Child Link Fields".
If that is what is happening, the message is "Can't build a link between unbound forms". If that had been the message you reported, I could have interpreted your "entering data" to mean that you couldn't set the Master/Child Link Field properties. Then I could have told you that you can't use the builder to select the linked fields. But you can enter the link fields without using the builder. So you see, since you didn't quote the exact message, I'm just guessing.
As far as not being able to enter data to the database, I don't recall when I've ever had a message that said I couldn't enter data because of the relationship between forms. One case where I couldn't enter data on a form has been because the query I used as the Record Source for a form was not an updatable query. But no message was reported for this situation.
Another situation might be because of a relationship in the database. For example, two tables that are linked where referential integrity is enforced. But this problem is not really because of the link between forms. So I don't think the message would have indicated anything about forms. Although it might have. But there again, without the message quoted, I have trouble deciphering your situation and figuring out how to help.
At any rate, no offense was meant. So I'm sorry if you felt that. But an exact quote of the message can help us provide you more help.
Randall J Weers
Membership Vice President
Pacific NorthWest Access Developers Group