Webdynpro java: e.getWDDynamicRFC_Fault on ARFC2

hi all,

i have a code

try {

}catch (ARFC2ModelExecuteException e){

e.getWDDynamicRFC_Fault()

}

Could you please provide me replace e.getWDDynamicRFC_Fault() to another which is support on ARFC2 ?