Hi,
Changed the code accordingly
data:
lv_month(2) type n, lv_year(4) type n,
lv_fper(7) type n.
lv_month = SOURCE_FIELDS-calday+4(2).
lv_year = SOURCE_FIELDS-calday+0(4).
concatenate lv_year '0' lv_month into lv_fper.
result = lv_fper.
Tested on my system.
Regards,
AL