Page Data is Inconsistent with Database
During development you may come across the following error:
Page data is inconsistent with database. (18,1)
In addition to the examples given in the message, another scenario where this error can happen is when the keys in the record definition in application designer do not match the keys in the database table.
Check your keys and ensure they match between the record definition and the database table. If not, update the record definition and/or alter/recreate the database table with the correct keys.
Another thing to watch out for is any
SavePostChange PeopleCode that may be changing the data outside of the buffer and causing it to be out of sync.