Merchant Security Updates: Learn how security upgrades may affect your integration at the 2017-2018 Merchant Security Roadmap Microsite
Upcoming Change to PayPal Subscriptions Beginning March 15, 2018, changes will be made to the way PayPal creates, manages, and displays subscriptions. Click here for an FAQ related to the upcoming changes being made to PayPal subscriptions.
I'm having the same problem and been onto phone support who could not fix it and now waiting 3 days for a reply from MTS. It seems to work 1 in 20 times!!