diff --git a/src/entity/procurement/procurement_payment_request.ts b/src/entity/procurement/procurement_payment_request.ts
index 1f5c868..7c8178a 100644
--- a/src/entity/procurement/procurement_payment_request.ts
+++ b/src/entity/procurement/procurement_payment_request.ts
@@ -19,7 +19,7 @@ export class ProcurementPaymentRequest {
 	@Column({ type: "varchar", length: 50, unique: true })
 	code: string; // PRC Code Automaticaly
 
-	@Column({ type: "varchar", length: 50, unique: true })
+	@Column({ type: "varchar", length: 50, nullable: true })
 	prc_number: string; // Payment Request Number (2025-0177)
 
 	@Column({ type: "date" })