I created a public portal with a new insertion form, and I have an bug when trying to open the form only the first time.

(when I open it a second time, it works).

The bug is like:

On Error log i have this:

2020-04-30 15:11:00,566 [guest] ERROR - Business Exception. [message]  [site] DbArea.inserir prce1 [cause] Error inserting record in DbArea: Value cannot be null.

2020-04-30 15:11:00,574 [guest] ERROR - Certperm_New - GET Error inserting record in DbArea: Value cannot be null.

Parameter name: key

I am working on NightlyGenio289.30

When I try this on VS with exceptions checked, i have this:

And Outup is:

Exception thrown: 'System.ArgumentNullException' in mscorlib.dll