Edited Version: I've updated more the permission points; the error message has changed to "The record you are looking for counldn't be found."
So, now, I apparently have permission to see data that can't be found; is that about right?
Any ideas about what next to try? I am trying to create a black form in which the user can enter data. The form and the table are ready (and empty); so I should get a blank form rather than the error looking for data, yes?

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Anyone have any insight into how I can trackdown the cause of the following error.

I'm developing a Portal in the 'trial' version. Everything works fine until I start creating my own forms and tables.
I'm assuming it to be a permissions isssue - as referenced in the message, but I can't see to isolate where.