Fluent error
 

while intializing the solution we get the following 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...


can anybody let me know how to fix this?

i just have the same error for rolling motion in rectangungular tank using fluent 6.3.26
i don't know what's wrong ,mybe from the udf,
the udf is like

DEFINE_CG_MOTION(rigid, dt, cg_vel, cg_omega, time, dtime)
{
NV_S (cg_vel, = , 0.0);
NV_S (cg_omega, = ,0.0);

cg_omega[2]=0.4*cos(1.570796327*time);
}



any one can help me please ,,,, :(

even i had an error using the same rectangular box