Below is what I got in the admin panel of my Plugin page after I hit update Plugin...
Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'yarpp_settings_link' was given in /home/XXXXXXX/public_html/wp-includes/plugin.php on line 166
while this is what I've seen below each Plugins...
Warning: Invalid argument supplied for foreach() in /home/XXXXXXX/public_html/wp-admin/plugins.php on line 437
The "Activate" "Delete" and etc is gone.