Just try again later, use different browser, different device or OS, clear your browser's cookies cache, change IP-address (by using different internet provider or Wi-Fi network). Take some alternative actions like these.
Do you have a mobile (not landline) phone issued in your country and registered in just your name verified on your Paypal account? Paypal are using mobile phones for i.d requirements for logging in and withdrawal funds for extra security measures.
Advice is voluntary. Kudos / Solution appreciated.
