I have a program that use submit to get data from another.
But a got problem with one program, that when I submit this program, it only return header of alv grid and alot of | symbol with no data between (See in image). I have check this program directly and it has data alv return. I have no idea why this problem happen.
Debug list from memory

The program use function module FM_REUSE_ALV_GRID_DISPLAY to display alv, i have try to change param but no use, i try to use REUSE_ALV_GRID_DISPLAY but same