# Do not allow duplicate items in Purchase Order
**YouTube:** [How to Restrict Duplicate Item Entry in Purchase Orders?](https://youtu.be/_K1c6ddJjxo)
## How to Restrict Duplicate Item Entry in Purchase Orders?
This tutorial explains how to **restrict duplicate item entries in Purchase Orders** in Logic ERP. By enabling this configuration, the system ensures that the same item cannot be entered multiple times within a single purchase order, helping maintain data accuracy and preventing duplication errors.
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### **Objective of This Feature**
* Prevent **duplicate item entries** in the same Purchase Order
* Ensure **data accuracy and consistency**
* Avoid confusion in **quantity and costing**
* Improve **procurement control**
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### **Accessing Configuration Settings**
* Open the **Purchase Order Module**
* Go to **Configuration Window**
* Navigate to the **General Options Section**
**Enabling Duplicate Restriction**
* Locate the enable the option:
> **“Do Not Allow Duplicate Items in Purchase Order”**
* Click **Ok.**
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### **Implement Duplicate Restriction**
* Start a **New Purchase Order Entry**
* Go to the **Item Details Section**
* Add required items
* Try adding an item that is **already included** in the same PO
**System Behavior**
* System automatically **blocks the entry**
* Displays a **notification message**:
* Item already exists in the current order
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### **Key Benefits**
* Eliminates **duplicate entries and errors**
* Ensures **accurate quantity tracking**
* Simplifies **purchase order management**
* Improves **data reliability**
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### **Best Practice Tip**
* Enable this feature for:
* Standard procurement processes
* Disable only if:
* Same item needs to be entered multiple times for valid reasons
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### **Final Outcome**
* Duplicate items are **restricted within Purchase Orders**
* Data remains **clean and error-free**
* Procurement process becomes **more controlled and efficient**
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