PayPal Error 10220 - SoftDescriptor

Error Code: 10220 - The Merchant is not enabled to pass SoftDescriptor or SoftDescriptorCity

The above error message can occur when setting up recurring subscriptions if SoftDescriptor is not properly enabled in your PayPal account. To fix it, you'll need to get in touch with PayPal support and have them update your account settings.

You can find more information about SoftDescriptor in  PayPal's documentation. See their note at the bottom:

" Note: This feature must be enabled for your merchant account before you can take advantage of it. Please contact PayPal Customer Support for feature activation."