--- title: "SOP Error Msg: 'Negative Qty not allowed'" canonical: "https://kb.myframeworks.com.au/space/PROSTIXV48DOC/31112635/SOP%20Error%20Msg%3A%20'Negative%20Qty%20not%20allowed'" format: markdown --- | | | | --- | --- | | **ERROR MESSAGE:** | SOP: Error 'Negative Qty not allowed' | | **CAUSE:** | A user must have permission to raise a credit note/refund to be able to enter a negative quantity in a sales order. | | **SOLUTION:** | To resolve this issue, perform the following:
1. From the **ProStix Main Menu** select** 'System Administration'** then **'Security'** then **'Define Users'**.
2. From the** 'User Security Options'** screen select** 'Define Users'** then type in the **'User-id'**.
3. From the **'Modify User'** screen select **** four times until you get to the second screen then select **'POS Supervisor'.**
> Macro (nested-table)
i. if **'POS Supervisor'** is **'yes'** then** 'Limit POS Supervisor'** is** 'yes'. **Select **** from the** 'POS Security'** screen, then select ** **twice.
ii. From the** 'Security Options'** screen, select **'Cash Refunds'** then type **'yes',** then tab to **'Credit Notes'** then type **'yes'**.
> Macro (nested-table)
**or**
i. if **'POS Supervisor'** is **'no'** then select **. **From the **'POS Security'** screen, select ** **twice.
ii. From the** 'Security Options'** screen, select** 'Cash Refunds'** then type **'yes'**. Tab to **'Credit Notes'**, then type **'yes'** then select ****.
> Macro (nested-table) | | **FOR FURTHER INFORMATION REFER TO: ** | [System Administration User Guide](https://sterlandsupport.atlassian.net/wiki/spaces/PROSTIXV48DOC/pages/31101411) and [Sales Order Processing User Guide](https://sterlandsupport.atlassian.net/wiki/spaces/PROSTIXV48DOC/pages/31100245) | | **IF THIS FAQ DOESN’T RESOLVE YOUR ISSUE:****0** | Contact [Sterland Support](https://sterlandsupport.atlassian.net/wiki/pages/createpage.action?spaceKey=CS&title=Sterland%20Support). |