( ! ) Fatal error: Uncaught Error: Class 'Google_Client' not found in /var/www/html/g_callback.php on line 31
( ! ) Error: Class 'Google_Client' not found in /var/www/html/g_callback.php on line 31
Call Stack
#	Time	Memory	Function	Location
1	0.0503	400216	{main}( )	.../g_callback.php:0