when i use early payment discount always 0.1 0.2 etc like add and always balance due its over calcuation …its bugs
Your post is not clear. What do you mean by “0.1 0.2 etc like add?” And what do you mean by “always balance due its over calculation?”
You have shown a screen shot of only part of the the sales invoice, where you did not complete the entry for the If paid within field. We cannot see the issue date, so we do not know if the receipt would qualify for a discount.
So post screen shots of the Edit screens of the sales invoice, the receipt, and the credit note.