I sucessfully use FW to solve a problem and now wnat to convert mesh to polyhedral and solve. I get the following error:

Command failed - FlowWizard.solver.startcalculation
Exception.runtimerror: unknown exception

Details below.
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/ProcessorThread.py", line 61, in run
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/DefaultProcessor.py", line 103, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/Processor.py", line 73, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/DefaultProcessor.py", line 100, in process
File "/usr/local/fluent/develop/FloWizard/apps/flowizard/flowizard3.1.1/control/FwizSolverModelObject.py", line 161, in startCalculation
File "/usr/local/fluent/develop/FloWizard/apps/flowizard/flowizard3.1.1/control/FwizSolverModelObject.py", line 784, in simplifyAndMesh
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/ObjectProxy.py", line 85, in __call__
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/ObjectProxy.py", line 139, in __dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/AppSession.py", line 679, in dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/AppSession.py", line 1588, in _dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/command/CommandValidator.py", line 87, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/Processor.py", line 73, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/DefaultProcessor.py", line 100, in process
File "/usr/local/fluent/develop/FloWizard/apps/flowizard/flowizard3.1.1/control/Mesh.py", line 52, in autoMesh
File "/usr/local/fluent/build/fw31/FloWizard/apps/flowizard/flowizard3.1.2/control/Mesh3DImplementation.py", line 74, in autoMesh
File "/usr/local/fluent/build/fw31/FloWizard/apps/flowizard/flowizard3.1.2/control/Mesh3DImplementation.py", line 714, in _autoMesh
File "/usr/local/fluent/build/fw31/FloWizard/apps/flowizard/flowizard3.1.2/control/Mesh3DImplementation.py", line 791, in _meshUsingTgrid
File "/usr/local/fluent/build/fw31/FloWizard/apps/flowizard/flowizard3.1.2/control/Mesh3DImplementation.py", line 1711, in _writeMeshToScratchDirectory
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/ObjectProxy.py", line 85, in __call__
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/ObjectProxy.py", line 139, in __dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/AppSession.py", line 679, in dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/AppSession.py", line 1588, in _dispatch
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/command/CommandValidator.py", line 87, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/Processor.py", line 73, in process
File "/usr/local/fluent/develop/FloWizard/pylib/controller/controller1.4/DefaultProcessor.py", line 100, in process
File "/usr/local/fluent/develop/FloWizard/pylib/appmodules/appmodules1.4/mesh/control/Misc.py", line 255, in export
File "/usr/local/fluent/develop/FloWizard/pylib/appmodules/appmodules1.4/mesh/control/Misc.py", line 270, in _export
File "/usr/local/fluent/develop/FloWizard/pylib/cortex/cortex1.4/cxnet/XmlRpcServerProxy.py", line 178, in __call__
File "/usr/local/fluent/develop/FloWizard/pylib/cortex/cortex1.4/cxnet/RpcServerProxy.py", line 228, in callServer
File "/usr/local/fluent/develop/FloWizard/pylib/cortex/cortex1.4/cxnet/RpcException.py", line 175, in raiseClientException

Suggestions?

Does anyone have any suggestions?