Activation error - InternalError: dberror(PreparedStatement.execute)

Hello Experts,

Did u guys see error below like this?....Do you know what it means?

E - Exception raised from  InternalError: dberror(PreparedStatement.execute): 2048 - column store error: fail to create scenario:  [34011] Inconsistent calculation model;CalculationNode (5_111) -> inputs:Number of inputs has to be between 2 and 2 at ptime/query/plan_executor/trex_wrapper/trex_wrapper_body/trex_metadata.cc:2082

Thanks,

Krishna