https://restfb.com/
restfb - Your Gateway to the Social Universe
RestFB is a simple and flexible Facebook Graph API client written in Java. It contains support for the Facebook Messenger Platform and the Facebook Marketing...
your gatewayto thesocialuniverse
https://groups.google.com/g/restfb/c/QxwFXXCt5CU
com.restfb.exception.FacebookOAuthException: Received Facebook error response of type...
error responseexceptionreceivedfacebooktype