Update error

Your software
My Mautic version is: 3.3
My PHP version is:
My Database type and version is:

Your problem
My problem is:

when I try to update my mautic its showing me below error

These errors are showing in the log:

PHP Notice: Undefined variable: parameters in /opt/bitnami/mautic/app/bundles/CoreBundle/Loader/ParameterLoader.php on line 147

PHP Warning: array_merge(): Expected parameter 2 to be an array, null given in /opt/bitnami/mautic/app/bundles/CoreBundle/Loader/ParameterLoader.php on line 147

PHP Fatal error: Uncaught TypeError: Argument 1 passed to Symfony\Component\HttpFoundation\ParameterBag::__construct() must be of the type array, null given, called in /opt/bitnami/mautic/app/bundles/CoreBundle/Loader/ParameterLoader.php on line 171 and defined in /opt/bitnami/mautic/vendor/symfony/http-foundation/ParameterBag.php:29

Stack trace:

#0 /opt/bitnami/mautic/app/bundles/CoreBundle/Loader/ParameterLoader.php(171): Symfony\Component\HttpFoundation\ParameterBag->__construct(NULL)

#1 /opt/bitnami/mautic/app/bundles/CoreBundle/Loader/ParameterLoader.php(50): Mautic\CoreBundle\Loader\ParameterLoader->createParameterBags()

#2 /opt/bitnami/mautic/app/AppKernel.php(342): Mautic\CoreBundle\Loader\ParameterLoader->__construct()

#3 /opt/bitnami/mautic/app/AppKernel.php(235): AppKernel->getParameterLoader()

#4 /opt/bitnami/mautic/vendor/symfony/framework-bundle/Console/Application.php(64): AppKernel->boot()

#5 /opt/bitnami/mautic/vendor/symfony/console/Application.php(148): Symfony\Bundle\FrameworkBundle\Console\Application->do in /opt/bitnami/mautic/vendor/symfony/http-foundation/ParameterBag.php on line 29

Steps I have tried to fix the problem: