( ! ) Fatal error: Class 'Psy\ExecutionLoop\Loop' not found in C:\wamp64\www\old_bo\bo\vendor\psy\psysh\src\Psy\ExecutionLoop\ForkingLoop.php on line 23
Call Stack
#	Time	Memory	Function	Location
1	0.0788	270080	{main}( )	...\ForkingLoop.php:0