If you receive the error “A prevailing wage with at least one rate history record and a number of standard pieces must be chosen” Solution You must choose a Prevailing wage and set up a time study for each Piece Rate step you create. Navigate to Job/Activity Setup. Select the job. Select steps tab. Review to check if a pay Code is Piece rate, Prevailing Wage is selected and an Active Time Study is entered. If no prevailing wage is selected – select one. If no Time Study is active – add time study. Save the record.