Weird problem on website payment section

It`s been more than a month i think since im getting this error shown on payment section of the website...the payment should not be made but it`s always showing there

https://imgur.com/a/bCLHfyI

username: lulzcartx

Please submit a support ticket so we can track this issue, and I'll assign it to Chris for investigation. Thanks!

Hi, I have some similar bits, where fractions of weight are left behind from credits - I assumed it was just a rounding error. Most of the time I donate them.