error while running the udf
 

hello everyone....
now the udf is compiling and loading without error...
but while running the simulation at the bigining itself giving error, says
Absolute pressure Limited to 1.0000e+00 in zone 2
Error:> (Greater-than) : invalid argument [2] : wrong type [not a number]
Error object : nan
what it means.. where should i correct..

thanks
sugu