I have enabled zero subtotal checkout in Magento ver. 2.1.5 and now I have a problem with the "Place Order" button being disabled if the value of the cart is $0

If the order value is over $0 in the cart then the button is enabled, I have tested with the default Luma theme and my own custom theme both with the same issue.

It also shows no payment methods on the OPC.

Any ideas?

1 Answer 1


It may be your Magento checkout setting issue. Please check your cart total is greater or equal to Minimum Amount.

Go to Configuration in Backend :

  Stores > Configuration > Sales > Sales > Minimum Order Amount

  Set "Minimum order Amount" : enabled and "Minimum amount" to :0
  • I have this set already and the button is still disabled Commented Dec 19, 2017 at 13:00

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