Fatal error: Class 'Illuminate\Database\Eloquent\Relations\HasOneOrMany' not found in /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/HasOne.php on line 5

Call Stack:
    0.0004     238688   1. {main}() /var/www/html/dev/spa/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/HasOne.php:0