[ar_mofidi]

Hi,
I faced this error while running my case:

#0 Foam::error:rintStack(Foam::Ostream&) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libOpenFOAM.so"
#1 Foam::error::abort() in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libOpenFOAM.so"
#2 Foam::Ostream& Foam:perator<< <Foam::error>(Foam::Ostream&, Foam::errorManip<Foam::error>) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/applications/bin/linux64GccDPOpt/channelFoam"
#3 Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> const& Foam:bjectRegistry::lookupObject<Foam::Geometric Field<double, Foam::fvPatchField, Foam::volMesh> >(Foam::word const&) const in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#4 Foam::incompressible::LESModels::nuSgsWallFunction FvPatchScalarField::evaluate(Foam::Pstream::commsT ypes) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#5 Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh>::GeometricBoundaryField::evaluate() in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/applications/bin/linux64GccDPOpt/channelFoam"
#6 Foam::incompressible::LESModels::dynSmagorinsky::u pdateSubGridScaleFields(Foam::GeometricField<Foam: :SymmTensor<double>, Foam::fvPatchField, Foam::volMesh> const&) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#7 Foam::incompressible::LESModels::dynSmagorinsky::d ynSmagorinsky(Foam::GeometricField<Foam::Vector<do uble>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> const&, Foam::transportModel&) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#8 Foam::incompressible::LESModel::adddictionaryConst ructorToTable<Foam::incompressible::LESModels::dyn Smagorinsky>::New(Foam::GeometricField<Foam::Vecto r<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> const&, Foam::transportModel&) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#9 Foam::incompressible::LESModel::New(Foam::Geometri cField<Foam::Vector<double>, Foam::fvPatchField, Foam::volMesh> const&, Foam::GeometricField<double, Foam::fvsPatchField, Foam::surfaceMesh> const&, Foam::transportModel&) in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/lib/linux64GccDPOpt/libincompressibleLESModels.so"
#10 main in "/home/mahdi/OpenFOAM/OpenFOAM-1.6/applications/bin/linux64GccDPOpt/channelFoam"
#11 __libc_start_main in "/lib/libc.so.6"
#12 _start at /build/buildd/glibc-2.9/csu/../sysdeps/x86_64/elf/start.S:116


From function objectRegistry::lookupObject<Type>(const word&) const
in file /home/mahdi/OpenFOAM/OpenFOAM-1.6/src/OpenFOAM/lnInclude/objectRegistryTemplates.C at line 140.

Does anybody know what is the origin of this error? and how can I solve it?
Thanks in advance
Amin