Redefinition of parameter $_ PointcutGrammar.php

`Redefinition of parameter $_ in /opt/project/new/vendor/lisachenko/go-aop-php/src/Go/Aop/Pointcut/PointcutGrammar.php on line 61`

my config in _bootstrap yii2 advanced

`require(__DIR__ . '/../vendor/autoload.php');

$kernel = \AspectMock\Kernel::getInstance();
$kernel->init([
'debug' => true,
'includePaths' => [
__DIR__ . '/../../',
]
]);`

where did i go wrong?