diff --git a/src/modules/plant/run2.py b/src/modules/plant/run2.py
index 396aaa1..df1a8e4 100644
--- a/src/modules/plant/run2.py
+++ b/src/modules/plant/run2.py
@@ -5,11 +5,18 @@ import sys
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 from config import get_connection  # harus mengembalikan koneksi psycopg2
 from math import pow
+import numpy as np
 import numpy_financial as npf
 import math
 import uuid
 
 
+def normalize_db_value(value):
+    """Convert numpy scalars to native Python types for psycopg2."""
+    if isinstance(value, np.generic):
+        return value.item()
+    return value
+
 def validate_number(n):
     return n if n is not None else 0
 
@@ -65,7 +72,8 @@ def hitung_irr(cashflows: list):
 
 
 def main():
-    conn = get_connection()
+    connections = get_connection()
+    conn = connections[0] if isinstance(connections, tuple) else connections
     if conn is None:
         print("Koneksi ke database gagal.")
         sys.exit(1)
@@ -492,7 +500,7 @@ def main():
             calc4_free_cash_flow_on_equity_array.append(calc4_free_cash_flow_on_equity)
             calc4_discounted_fcf_on_equity = hitung_pv(wacc_on_equity, seq, calc4_free_cash_flow_on_equity)
 
-            params.append((
+            row_params = (
                 net_capacity_factor,
                 eaf,
                 production_bruto,
@@ -560,7 +568,8 @@ def main():
                 chart_capex_acquisition_cost,
                 chart_capex_annualized,
                 seq  # <-- penting: ini untuk WHERE
-            ))
+            )
+            params.append(tuple(normalize_db_value(v) for v in row_params))
 
         # 3. Bulk update dengan executemany
         if params:
@@ -613,13 +622,15 @@ def main():
         conn.close()
 
     except Exception as e:
-        conn.rollback()
+        if conn:
+            conn.rollback()
         print(f"Terjadi error, transaksi di-rollback. Error: {e}")
         try:
             cur.close()
         except Exception:
             pass
-        conn.close()
+        if conn:
+            conn.close()
 
 
 if __name__ == "__main__":