Adding the "DayOfWeek" to the columns to drop and see if it fixes the error

main.py

@@ -105,9 +105,10 @@ def main():
 
 def reduce_columns(df, filename):
     if '15MIN' in filename:
-        return df.drop(columns=['Month', 'Year', 'date']+weak_column_names)
+        return df.drop(columns=['Month', 'Year', 'date', 'DayOfWeek']+weak_column_names, errors='ignore')
     else:
-        return df.drop(columns=['Month', 'Year', 'date'])
+        return df.drop(columns=['Month', 'Year', 'date', 'DayOfWeek'], errors='ignore')
+    
 
 def main_two():
     results = pd.DataFrame()