Message Oracle PLS-00417 - unable to resolve string as a column

ERRORunable to resolve string as a column
CAUSEA 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.
ACTIONCheck the spelling of the table (or view) and column names; make sure the table and columns exist. If necessary, ask the DBA to grant the privileges required to access the table.