Portal.js - Js - Static - Function()%7Bthrow%20Error(%22Attempted%20to%20call%20CDN_BASE()%20from%20the%20server%20but%20CDN_BASE%20is%20on%20the%20client.%20It's%20not%20possible%20to%20invoke%20a%20client%20function%20from%20the%20server%2C%20it%20can%20only%20be%20rendered%20as%20a%20Component%20or%20passed%20to%20props%20of%20a%20Client%20Component.%22)%7D - Getting Started - Ruby - Server SDKs | PayPal Developer