Buddypress Activity Plus giving me errors

I am getting these errors and can't seem to figure out what they are when I activate the plugin:

Strict Standards: Non-static method BpfbInstaller::check_paths() should not be called statically in /home/laeventc/public_html/wp-content/plugins/buddypress-activity-plus/lib/class_bpfb_installer.php on line 34

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/laeventc/public_html/wp-content/plugins/buddypress-activity-plus/lib/class_bpfb_installer.php:34) in /home/laeventc/public_html/wp-content/plugins/buddypress-media/index.php on line 68

Any idea how to fix this?

Thanks