An internal server error occurred.

[Relect]

An internal server error occurred.
app.log

2019-08-31 08:47:21 [IP][-][-][error][ParseError] ParseError: syntax error, 
unexpected end of file in /var/www/site/basic/controllers/SiteController.php:506
Stack trace:
#0 [internal function]: yii\BaseYii::autoload('app\\controllers...')
#1 [internal function]: spl_autoload_call('app\\controllers...')
#2 /var/www/site/basic/vendor/yiisoft/yii2/base/Module.php(637): class_exists('app\\controllers...')
#3 /var/www/site/basic/vendor/yiisoft/yii2/base/Module.php(596): yii\base\Module->createControllerByID('site')
#4 /var/www/site/basic/vendor/yiisoft/yii2/base/Module.php(522): yii\base\Module->createController('')
#5 /var/www/site/basic/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction('', Array)
#6 /var/www/site/basic/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application->handleRequest(Object(yii\web\Request))
#7 /var/www/site/basic/web/index.php(22): yii\base\Application->run()
#8 {main}
2019-08-31 08:47:21 [IP][-][-][info][application] $_GET = []

$_POST = []

$_FILES = []

$_COOKIE = [
    'fusionV3243_visited' => 'yes'
]

$_SERVER = [
    'HTTP_HOST' => 'site'
    'HTTP_CONNECTION' => 'keep-alive'
    'HTTP_CACHE_CONTROL' => 'max-age=0'
    'HTTP_UPGRADE_INSECURE_REQUESTS' => '1'
    'HTTP_USER_AGENT' => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36'
    'HTTP_ACCEPT' => 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3'
    'HTTP_ACCEPT_ENCODING' => 'gzip, deflate'
    'HTTP_ACCEPT_LANGUAGE' => 'ru-RU,ru;q=0.9,en-US;q=0.8,en;q=0.7'
    'HTTP_COOKIE' => 'fusionV3243_visited=yes'
    'PATH' => '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
    'SERVER_SIGNATURE' => '<address>Apache/2.4.38 (Debian) Server at site Port 80</address>
'
    'SERVER_SOFTWARE' => 'Apache/2.4.38 (Debian)'
    'SERVER_NAME' => 'site'
    'SERVER_ADDR' => '192.168.1.105'
    'SERVER_PORT' => '80'
    'REMOTE_ADDR' => 'IP'
    'DOCUMENT_ROOT' => '/var/www/site/basic/web'
    'REQUEST_SCHEME' => 'http'
    'CONTEXT_PREFIX' => ''
    'CONTEXT_DOCUMENT_ROOT' => '/var/www/site/basic/web'
    'SERVER_ADMIN' => 'webmaster@localhost'
    'SCRIPT_FILENAME' => '/var/www/site/basic/web/index.php'
    'REMOTE_PORT' => '51343'
    'GATEWAY_INTERFACE' => 'CGI/1.1'
    'SERVER_PROTOCOL' => 'HTTP/1.1'
    'REQUEST_METHOD' => 'GET'
    'QUERY_STRING' => ''
    'REQUEST_URI' => '/'
    'SCRIPT_NAME' => '/index.php'
    'PHP_SELF' => '/index.php'
    'REQUEST_TIME_FLOAT' => 1567241241.828
    'REQUEST_TIME' => 1567241241
]

what is problem?
SiteController.zip
добавлял кавычку в конце не помогает.
adding a quotation mark at the end does not help.