Error: Floating point error: overflow
 

Hi everyone
I have a question
i am simulation two phase flow at fluent
air=primary phase----------water liquid=secondary phase
air velocity=10m/s &water velocity=1m/s
i am use the schiller naumann for drag
and slip velocity i am use manninen - et-al
but when i am run simulation This message is appear
((Error: Floating point error: overflow))
can some one heip me ?