I need Help for This Error

[michacamba]

Hello Good day.I need the solution of my problem. When I clicked confirmation button I have an error.

Error Detected

The link you have used to enter the PayPal system contains an incorrectly formatted item amount.

 

What's the solution for this?

 

My total price is in three decimal places. but when I changed it into two decimal places, it comes no problem.

 

I want my total price in three decimal places.

 

Please see attach image file.

 

 

Thank you very much.