Function module Z_XSI_ACTIVE not found

Hi All,

Pls help me to resolve this ABAP error: Function module Z_XSI_ACTIVE not found

Error analysis:

An exception occured that is explained in detail below.

The exception , which is assigned to class 'CX_SY_DYN_CALL_ILLEGAL_FUNC' , was not caught in procedure "XSI_ACTIVE_DELV" "(FUNCTION)", nor was it propagated by a RAISING clause. ...

Regards,

Quanglv