Custom Databank Column not working

package SQ.Columns.Databanks; import com.strategyquant.lib.*; import com.strategyquant.datalib.*; import com.strategyquant.tradinglib.*; public class CAGRExp extends DatabankColumn {     public CAGRExp() {     super("CAGR/Exp",           DatabankColumn.Decimal2Pct, // value display format           ValueTypes.Maximize, // whether value should be maximized / minimized / approximated to a value           0, // target value if approximation was chosen           0, // average minimum of this value           100); // average maximum of this value       setWidth(80); // defaultcolumn width in pixels     setTooltip("CAGR / Exposure");     setDependencies("CAGR", "Exposure");   }     @Override   public double compute(SQStats stats, StatsTypeCombination combination, OrdersList ordersList, SettingsMap settings, SQStats statsLong, SQStats statsShort) throws Exception {     double cagr = stats.getDouble("CAGR");     double exposure = stats.getDouble("Exposure");     double cagr_exp = SQUtils.safeDivide(cagr, exposure);       /* round and return the value. It will be saved into stats under the key "CAGRExp" */     return round2(cagr_exp * 100);   } }