This error appears when challan modify bounded for user.
1. Go to Masters > Passwords & Powers > Operator's. Press Enter.
2. A Password & Authority window will appear > Then select the user to whom the permission is to be given.
3. A Marg Powers window will appear > The user will select ‘Search in all’. Press Enter.
4. A Powers window will appear > The user will search ‘Delivery’ > Now click on ‘Accept’.
5. A Delivery window will appear > In ‘Operator type S-Cashier/Checker/Home Delivery/D-Delivered/Both’ the user will set ‘B’.
6. The user will now press Escape key twice and then click on ‘Yes’ to save the changes.
7. The user will now press escape key and then click on “Yes”.
8. From the main window, the user will press Ctrl+U and then enter the user Id and password.
9. Now the user will keep pressing enter.