If your tax calculation is based on a problematic configuration, the following warnings appear:

• 	Warning. Tax discount configuration might result in different discounts than a customer might expect for store(s); Europe Website (French), Europe Website (German). Please see source for more details.
  	Warning. Tax configuration can result in rounding errors for store(s): Europe Websites (French), Europe Websites (German).

Calculation Settings

Use the following tables for reference when configuring tax calculation settings:

Tax Calculation Method Based On: Excluding Tax

• Tax Excluded

  PRICE DISPLAY	UNIT PRICE	ROW TOTAL	TOTAL
  Tax Class for Shipping	Shipping (is taxed)
  Excluding tax	OK	OK	OK
  Including tax	OK	OK	OK
  Including and Excluding tax	OK	OK	Warning

Catalog Prices: Including Tax

• Tax Included

  PRICE DISPLAY	UNIT PRICE	ROW TOTAL	TOTAL
  Excluding tax	OK	OK	OK
  Including tax	OK	OK	OK
  Including and Excluding tax	OK	Warning	Warning

 
Calculation Settings

Discount Settings

We strongly recommend that you use the following settings to avoid issues when configuring taxes in relation to discounts.

•  

  Recommended Settings

  FIELD	RECOMMENDED SETTING
  Apply Customer Tax	After Discount
  Apply Discount on Prices	US and Canada Excluding Tax EU Including Tax

有时配置如上图的设置一致,仍爆出以上异常,可以点击Save保存当前页面,然后清理掉缓存,即可解决该报错.

解决Tax discount configure 报出异常