diff --git a/services/dataProcessor.ts b/services/dataProcessor.ts
index 885c031..94afb06 100644
--- a/services/dataProcessor.ts
+++ b/services/dataProcessor.ts
@@ -346,7 +346,9 @@ export const isRealSale = (record: any): boolean => {
 
     // 3. Units check: Real sales must have units. 
     // Records with 0 units or negative units (unless it's a return, but usually returns have an ASIN)
-    if (!record.units || record.units <= 0) return false;
+    // Supports both SalesRecord (units) and CombinedKPIs (unitsTotal)
+    const units = record.units !== undefined ? record.units : record.unitsTotal;
+    if (units === undefined || units <= 0) return false;
 
     return true;
 };
@@ -1163,6 +1165,7 @@ export const filterData = (
             // Apply selected values filter
             if (condition.selectedValues && condition.selectedValues.length > 0) {
                 result = result.filter(r => {
+                    if (!((key as string) in r)) return true; // Skip if key not in flat record
                     const val = String((r as any)[key] || '');
                     return condition.selectedValues?.includes(val);
                 });
@@ -1174,6 +1177,7 @@ export const filterData = (
                 const lowerValue = value.toLowerCase();
 
                 result = result.filter(r => {
+                    if (!((key as string) in r)) return true; // Skip if key not in flat record
                     const rowVal = String((r as any)[key] || '').toLowerCase();
                     switch (operator) {
                         case 'equals': return rowVal === lowerValue;