2 Adobe Forms are not able to print

Hi experts,

I am working on a print program/adobe form which contains of : -

2 CALL FUNCTION 'FP_JOB_OPEN' and 2 CALL FUNCTION 'FP_JOB_CLOSE'.

The print program will print one form (layout A) then another form (layout B).

There is no problem in preview mode, it is able to view 2 layouts, but fail in the print mode, as only the first layout is printed. When tried in debugging mode, there is no exception or error in calling the 2nd CALL FUNCTION 'FP_JOB_OPEN' and 2 CALL FUNCTION 'FP_JOB_CLOSE'.

I am running out of idea. Could someone advise what should I look into?

Many thanks.