Problem in Implement multiple BADI

Hi,

i want to use one Definition in BADI for multiple implementation, but when i have been use in my program, it's give me a runtime error like below.

Runtime errors RAISE_EXCEPTION

Occurred on 12.07.2007 at 11:55:50

Exception condition "CAST_ERROR" raised.

Anyone help me for this.

sukhdev singh khobra