Hai Sreenviasa,
This is your procedure definition:
create procedure "_SYS_BIC"."pack1.yathams/PRO_ARTI" ( in ARTID INTEGER , out ARTICLE_COLOOK "_SYS_BIC"."pack1.yathams/PRO_ARTI/tabletype/ARTICLE_COLOOK" )
So ARTICLE_COLOOK is your output parameter right?
But in your code you didnt assign anything to ARTICLE_COLOOK.
Regards,
Krishna Tangudu