Cause: The %LAST attribute must be
applied to an identifier that has been declared as a variable of an enumerated
type (or subtype of an enumerated type). This error occurs when %LAST
follows some identifier that has not been so declared.
Action: none

Relared Errors:
PLS-00310: with
%%ROWTYPE attribute, `string` must name a table, cursor or
cursor-var
PLS-00311: the
declaration of string is incomplete or malformed
PLS-00312: a
positional parameter association may not follow a named
association
PLS-00313:
`string` not declared in this scope
PLS-00314:
TABLE declarations are not allowed as PL/SQL local variables
PLS-00315:
Implementation restriction: unsupported table index type
PLS-00316:
PL/SQL TABLEs must use a single index
PLS-00317:
incomplete type string was not completed in its declarative
region
PLS-00318: type
string is malformed because it is a non-REF mutually recursive
type
PLS-00319:
subquery in an IN or NOT IN clause must contain exactly one
column