I use opencart 3.0.2.0
I added a "eco tax" to my store. In the cart preview, the taxe is correctly added : 0.08€ (rounded for an actual amount of 0.075€).
However, in the final checkout, this tax is counted twice ! I get 0,15€ instead of 0.08€ as you can see here :

Here is the tax admin config :

Any idea why ?
Thank you in advance !
Pierre