How to reset the negative inventory unit values to zero

Follow the instructions in this document to reset the stock units from negative to zero

Negative units are created when you bill an out-of-stock item. Refer to the image below:

Procedure: #

1. Open MySQL command prompt (Windows), mysql -u root -p from root (Raspberry)
2. Password is password
3. Type
   
   use SALECULATOR;
   
   And press the Enter Key
4. From the MySQL command prompt type the below query
   
   UPDATE STOCKCURRENT SET UNITS=0;
   
   And press the Enter Key
5. Type exit and press the Enter Key

6. Restart the system and check the inventory now