Servlet Wrapper Error Page

PLSQL Adapter - PLSQL Error
ORA-06550: line 5, column 36:
PLS-00306: wrong number or types of arguments in call to 'SCT_IPL_LAUNCH'
ORA-06550: line 5, column 36:
PL/SQL: Statement ignored



 While try to execute sct_ipl.sct_ipl_launch
 with args

p_ipl_code:
	MERLENHOVE
p_isn_code:
	2