Program error: ASSIGN with length 0 in program "SAPLSDH4"

Hello experts,

I have a 'Z' program and after run, i mark a field to filter on data, then on selection screen when i choose F4 i took :

runtime error : assign_length_0

Program error: ASSIGN with length 0 in program "SAPLSDH4"

What can i do to resolve this?

Edited by: gkarag on May 5, 2010 4:57 PM