Regarding using PARAMETERS:p_prefil TYPE rlgrap-filename.

Hi when

I use this parameter

PARAMETERS:p_prefil TYPE rlgrap-filename.

in order take the input from the user for filename when downloading to the Presentation server i get the conflict type error and the program goes to dump.

But if i use the same p_prefil as string type it works.Could anyone tell me the reason for this.