Fatal error: Uncaught Error: Call to undefined function add_action() in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/memberships/class-jetpack-memberships.php:236
Stack trace:
#0 /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/memberships/class-jetpack-memberships.php(190): Jetpack_Memberships->register_init_hook()
#1 /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/memberships/class-jetpack-memberships.php(1046): Jetpack_Memberships::get_instance()
#2 {main}
  thrown in /home/.sites/8/site7281296/web/wp-content/plugins/jetpack/modules/memberships/class-jetpack-memberships.php on line 236