SQL ERROR

Error 6550 calling procedure:

ORA-06550: line 2, column 3:
PLS-00306: wrong number or types of arguments in call to 'MAIN'
ORA-06550: line 2, column 3:
PL/SQL: Statement ignored

The last SQL statement executed was:

begin
  kister_info_09.main(amp=>:B1);
  commit;
end;