I just tried that in my application and cannot reproduce it.
The messagebox pops up and closes when I press OK.

I'm using IBO 3.6.Db TEST2

Mario

--- In IBObjects@y..., johannes@w... wrote:
> IBO 3.6.Ca D4/SP3
>
> A floating point field contains a value, let's say '0.5'. The user
> adds accidentally another dot at the end.
>
> An error message "'0.5.' is not a valid floating point value." pops
> up, which cannot be cancelled out. Any click on 'Ok' or 'x' does
not
> make the message box go away while it is impossible to edit the
> numeric value in the TIB_Grid field. Well, the message box does go
> away but only to pop up again straight away.
>
> There is not tcpip traffic during this state. It appears to be a
> 'local' problem.
>
> Any ideas out there? Thanks.