diff --git a/backend/Funding.py b/backend/Funding.py
index be3db0d4..bd4b2edf 100644
--- a/backend/Funding.py
+++ b/backend/Funding.py
@@ -542,6 +542,8 @@ class Funding:
             pps = filtered_pps_matrix[filtered_pps_matrix["Measure_Type"] == measure_code]
 
             if pps.shape[0] != 1:
+                if pps.empty and self.starting_sap_band in ["Low_C", "High_C", "Low_B", "High_B", "Low_A", "High_A"]:
+                    return 0
                 raise ValueError(f"Invalid IWI category: {measure_code}")
             return pps.squeeze()["Cost Savings"]
 
@@ -554,6 +556,8 @@ class Funding:
             pps = filtered_pps_matrix[filtered_pps_matrix["Measure_Type"] == measure_code]
 
             if pps.shape[0] != 1:
+                if pps.empty and self.starting_sap_band in ["Low_C", "High_C", "Low_B", "High_B", "Low_A", "High_A"]:
+                    return 0
                 raise ValueError(f"Invalid EWI category: {measure_code}")
             return pps.squeeze()["Cost Savings"]
 
@@ -562,6 +566,8 @@ class Funding:
             pps = filtered_pps_matrix[filtered_pps_matrix["Measure_Type"] == measure_code]
 
             if pps.shape[0] != 1:
+                if pps.empty and self.starting_sap_band in ["Low_C", "High_C", "Low_B", "High_B", "Low_A", "High_A"]:
+                    return 0
                 raise ValueError(f"Invalid CWI category: {measure_code}")
             return pps.squeeze()["Cost Savings"]