Can't tell from here.
You could upload your file to a file share site so we could look at it.
You could take a closer look at how your portal is set up and make sure that your fields in the portal are specified from the same table occurrence as the portal's.
Generally, allow create should only be need when you want to enter the fields in the bottom portal row and enter new data for a new record. It should not be needed to edit existing records.