I have a strange problem when I trying to setup PayPal standard. In magento 2.1.6 there is no fields to insert Paypal keys. nor there is no "Merchant Country" field.
I have screenshots of config page if sombody can help.
Tried magento setup:upgrade, setup:deploy-static-content, reindex, flushed cache, clean cache and numerus of another things
Anyone? major problem that i need to solve, please reply if somebody experince same issue! Tried also magento setup:di:compile with no luck :/