I have a procdure as follows:

procedure test(aClob in clob) is
insert into aTable(aField) values (aClob);

When I call this procedure from outside with a string as a parameter to aClob, I get following error:

SQL>execute test('a test parameter');
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00306: wrong number or types of arguments in call to 'TEST'
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored

How can I fix this problem.