PLS-00417

Error: PLS-00417: unable to resolve "string" as a column

Causa: A database table, view, or column was specified in a SQL statement that does not exist, or the privileges required to access the table or view were not granted.

Acción: Check the spelling of the table (or view) and column names; make sure the table and columns exist. If necessary, ask the database administrator to grant the privileges required to access the table.