How to supress system message?

Hi,

I am using ECC 6 . In one of custom program i am using EDIT_TEXT. within i am passing

TEXT NAME : YXXXXXXXXXXXXX

TEXT ID : ST

LANGUAGE : EN

and calling fm EDIT_TEXT then system displaying text editor window and giving a information message that

I want to know how to supress this message?

For your information i cannot change the text id ST to YST.

a®s.