Problem with collect statement

Hi GUys,

I have a problem with my collect statement..

I have assigned this type to my internal table to collect:

TYPES: BEGIN OF t_alv_sku,

arbpl LIKE crhd-arbpl,

plnbez LIKE afko-plnbez,

code LIKE mseg-matnr,

descr LIKE makt-maktx,

uom LIKE mara-meins,

actqty(16) TYPE c,

actval(16) TYPE c,

plnqty(16) TYPE c,

plnval(16) TYPE c,

usage(16) TYPE c,

cost(16) TYPE c,

plnrte(16) TYPE c,

vari(16) TYPE c,

END OF t_alv_sku.

I want to collect those in type c... it seems that its not working...

I cant change them to type i or p since i use them to fill the dynamic table...

Please let me know any alternative where collect should work...

Thanks a lot!

Rgds,

mark