update

src/components/ProjectCashFlow/ProjectCashFlow.tsx

@@ -1004,7 +1004,7 @@ const ProjectCashFlow: React.FC = () => {
                   className="text-lg font-medium mx-5"
                   style={{ color: "#6b87cf", textAlign: "right"  }}
                 >
-                  ${expense.toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 })}
+                  ${(expense || 0).toLocaleString(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 })}
                 </div>
                 <hr />
                 <div