Enhancement in QA33

Dear Experts,

I need to display delivery and sales return order number in QA33 repot. I hv fetched the data and its getting displayed in respected column but with default layout variant only. Problem is when i change layout ( add new field from changes layout), these two column getting blanked. values disappeard.

I hv used implicity enhancement, data is displayed useing some FM, and i hv written my code there.

Any suggestion how to handle this.

Regards,

Jaspal