# Update error

**URL:** https://forum.mautic.org/t/update-error/24002
**Category:** Product Support
**Created:** [May 5, 2022, 11:55am UTC](https://forum.mautic.org/t/update-error/24002 "2022-05-05T11:55:27Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![atsatli](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/atsatli/32/6823_2.png) [@atsatli](https://forum.mautic.org/u/atsatli)
#### Post date: [May 5, 2022, 11:55am UTC](https://forum.mautic.org/t/update-error/24002/1 "2022-05-05T11:55:27Z")

</div>

**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: