CFD Online Discussion Forums - BuoyantSimpleFoam tutorial error

I tried to run buoyantSimpleFoam tutorial, but always has the same error. Below is the log.buoyantSimpleFoam file.

********************************
/*---------------------------------------------------------------------------*\
| ========= | |
| \ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \ / O peration | Version: 1.5 |
| \ / A nd | Web: http://www.OpenFOAM.org |
| \/ M anipulation | |
\*---------------------------------------------------------------------------*/
Exec : buoyantSimpleFoam
Date : Jul 22 2008
Time : 13:26:22
Host : IDL001
PID : 18876
Case : /home/eryd/OpenFOAM/eryd-1.5/run/tutorials/buoyantSimpleFoam/hotRoom
nProcs : 1

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0

Reading environmentalProperties
Reading thermophysical properties

Selecting thermodynamics package hThermo<puremixture<consttransport<speciethermo<hc onstthermo<perfectgas>>>>>
Reading field U

Reading/calculating face flux field phi

Creating turbulence model

Selecting RAS turbulence model kEpsilon
kEpsilonCoeffs
{
Cmu 0.09;
C1 1.44;
C2 1.92;
C3 0.85;
alphah 1;
alphak 1;
alphaEps 0.76923;
}

Calculating field g.h

Creating field pd

Starting time loop

Time = 1

DILUPBiCG: Solving for Ux, Initial residual = 1, Final residual = 4.95158e-06, No Iterations 3
DILUPBiCG: Solving for Uy, Initial residual = 1, Final residual = 7.32619e-06, No Iterations 3
DILUPBiCG: Solving for Uz, Initial residual = 1, Final residual = 4.95158e-06, No Iterations 3
#0 Foam::error::printStack(Foam:http://www.cfd-online.com/OpenFOAM_D...part/proud.gifstream&) in "/home/eryd/OpenFOAM/OpenFOAM-1.5/lib/linuxGccDPOpt/libOpenFOAM.so"
#1 Foam::sigFpe::sigFpeHandler(int) in "/home/eryd/OpenFOAM/OpenFOAM-1.5/lib/linuxGccDPOpt/libOpenFOAM.so"
#2 Uninterpreted: [0xb7f73420]
#3 Foam::divide(Foam::Field<double>&, Foam::UList<double> const&, Foam::UList<double> const&) in "/home/eryd/OpenFOAM/OpenFOAM-1.5/lib/linuxGccDPOpt/libOpenFOAM.so"
#4 void Foam::divide<foam::fvspatchfield,>(Foam::Geometric Field<double,>&, Foam::GeometricField<double,> const&, Foam::GeometricField<double,> const&) in "/home/eryd/OpenFOAM/OpenFOAM-1.5/applications/bin/linuxGccDPOpt/buoyantSimpleFo am"
#5 Foam::tmp<foam::geometricfield<double,> > Foam::operator/<foam::fvspatchfield,>(Foam::GeometricField<double ,> const&, Foam::tmp<foam::geometricfield<double,> > const&) in "/home/eryd/OpenFOAM/OpenFOAM-1.5/applications/bin/linuxGccDPOpt/buoyantSimpleFo am"
#6 main in "/home/eryd/OpenFOAM/OpenFOAM-1.5/applications/bin/linuxGccDPOpt/buoyantSimpleFo am"
#7 __libc_start_main in "/lib/tls/i686/cmov/libc.so.6"
#8 Foam::regIOobject::readIfModified() in "/home/eryd/OpenFOAM/OpenFOAM-1.5/applications/bin/linuxGccDPOpt/buoyantSimpleFo am"
Floating point exception
************************************