How to exit from method if there is any Error message

Hi All,
I have one button (Retrieve) and on that button I am calling a method(OnRetrive) and in that method i am calling func module and in that i am getting some messages.
<b>Now If that FM gives Error message then i have to exit from that method without processing further code.</b>
How can i do this? Help!!!
Expecting your reply ASAP.

Use the RETURN statement. It will get out of your method.
Regards
Nithya

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