Ramesh Chandra Mishra

UDF is getting compiled without error. But as soon as my job starts running, it stops at the command  

/define/user-defined/execute-on-demand "ach_udf::libudf" giving me the error:
===============Message from the Cortex Process================================

Fatal error in one of the compute processes.


I need value of an expression on a surface and that equation includes concentration gradient: