composer: error coded zendguard 7

I am adding a api to a project coded with zendguard7 on debian8 + php5.6 + apache2.4 Api works ok uncoded When coded with zendguard show error:

mod_fcgid: stderr: PHP Fatal error:  require(): Failed opening required '' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/clients/client61/web61/web/rh/api/vendor/composer/autoload_real.php on line 66

My composer.json:

{    "require": {
        "slim/slim": "^3.0",
        "tuupola/slim-jwt-auth": "^2.3",
        "firebase/php-jwt": "^4.0"
    }
}

My autoload_real.php:

<?php

// autoload_real.php @generated by Composer

class ComposerAutoloaderInit1d9ea7a8f631ff74c8abc24ae2e2277a
{
    private static $loader;

    public static function loadClassLoader($class)
    {
        if ('Composer\Autoload\ClassLoader' === $class) {
            require __DIR__ . '/ClassLoader.php';
        }
    }

    public static function getLoader()
    {
        if (null !== self::$loader) {
            return self::$loader;
        }

        spl_autoload_register(array('ComposerAutoloaderInit1d9ea7a8f631ff74c8abc24ae2e2277a', 'loadClassLoader'), true, true);
        self::$loader = $loader = new \Composer\Autoload\ClassLoader();
        spl_autoload_unregister(array('ComposerAutoloaderInit1d9ea7a8f631ff74c8abc24ae2e2277a', 'loadClassLoader'));

        $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION');
        if ($useStaticLoader) {
            require_once __DIR__ . '/autoload_static.php';

            call_user_func(\Composer\Autoload\ComposerStaticInit1d9ea7a8f631ff74c8abc24ae2e2277a::getInitializer($loader));
        } else {
            $map = require __DIR__ . '/autoload_namespaces.php';
            foreach ($map as $namespace => $path) {
                $loader->set($namespace, $path);
            }

            $map = require __DIR__ . '/autoload_psr4.php';
            foreach ($map as $namespace => $path) {
                $loader->setPsr4($namespace, $path);
            }

            $classMap = require __DIR__ . '/autoload_classmap.php';
            if ($classMap) {
                $loader->addClassMap($classMap);
            }
        }

        $loader->register(true);

        if ($useStaticLoader) {
            $includeFiles = Composer\Autoload\ComposerStaticInit1d9ea7a8f631ff74c8abc24ae2e2277a::$files;
        } else {
            $includeFiles = require __DIR__ . '/autoload_files.php';
        }
        foreach ($includeFiles as $fileIdentifier => $file) {
            composerRequire1d9ea7a8f631ff74c8abc24ae2e2277a($fileIdentifier, $file);
        }

        return $loader;
    }
}

function composerRequire1d9ea7a8f631ff74c8abc24ae2e2277a($fileIdentifier, $file)
{
    if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
        require $file;

        $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;
    }
}