I emailed the support staff at allroundautomations and they suggested to uncheck the "Use DBA views if available" option in the Tools -> Preferences [Option Tab].
That worked... Thanks Support Staff...
Has anyone noticed a problem with using PL/SQL Developer with an Oracle 9i Database. We recently upgraded our test database to 9i, and now when I try to use the Tablename dot expansion or column names I get a huge long error message in an alert window telling me that the table or view doesn't...