导入udf问题

我导入udf以后，出现了如下错误，怎么解决？
Error:
FLUENT received fatal signal (ACCESS_VIOLATION)
1. Note exact events leading to error.
2. Save case/data under new name.
3. Exit program and restart to continue.
4. Report error to your distributor.
Error Object: ()
网格质量还可以的
用ICEM划分的