Conversion from type 'jReportFilterCriterion' to type 'String' is not valid. at Microsoft.VisualBasic.CompilerServices.Conversions.ToString(Object Value) at jMultiTier.jReportMultiTier.jReportFilterCriterion.createAndAddStringParameter(Object value) at jMultiTier.jReportMultiTier.jReportCritReferralsByCategory.SQLCalculation(String piiTableName) at jProgBusiness.jBusiness.jSQLSelectHelper.jWhereOrHavingSection.get_SQLPart() at jProgBusiness.jBusiness.jSQLSelectHelper.WhereClause() at jProgBusiness.jBusiness.jSQLSelectHelper.firstPassCommand(IDbConnection Connection, Int32 XMLHandle) at jProgBusiness.jBusiness.jSQLDatasetFillHelper.jTableDescriptor.tempTableProcessing(DataSet TheDataset, IDbConnection Connection, Int32 XMLHandle, jReportSpecification reportSpecification, IDbDataAdapter adaptor, Int32 domainsHandle) at jProgBusiness.jBusiness.jSQLDatasetFillHelper.jTableDescriptor.processAggregateReport(DataSet TheDataset, IDbConnection Connection, Int32 XMLHandle, jReportSpecification reportSpecification, IDbDataAdapter adaptor, Int32 domainsHandle)