( ! ) Fatal error: Class 'Illuminate\Database\Eloquent\Relations\HasOneOrMany' not found in C:\wamp64\www\old_bo\bo\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\HasOne.php on line 8
Call Stack
#	Time	Memory	Function	Location
1	0.0399	243616	{main}( )	...\HasOne.php:0