Processing center at Processing Centers screen by disabling Level3 Option
Navigate to Banking in Acumatica
Select [Processing Centers] under [Credit Card Processing]
Create/Select new/Existing Processing Center with [Active] status.
If we created the new Processing center, then follow the steps from Setup Processing center & Setup Payment method from above or Select the Existing Processing center.
Select the Payment Plug-in (Type) as [Credit Card] in the drop down and enter all Braintree API details.