# After updating mautic to 1.2.3 configuration error **URL:** \ **Category:** Product Support\ **Created:** [December 28, 2015, 8:59am UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078 "2015-12-28T08:59:04Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![himanshukatyal23](https://avatars.discourse-cdn.com/v4/letter/h/258eb7/32.png) [@himanshukatyal23](https://forum.mautic.org/u/himanshukatyal23)\ **Post date:** [December 28, 2015, 8:59am UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078/1 "2015-12-28T08:59:04Z")
Hi, We have have tried to update mautic to new release 1.2.3 but after successful update we are not able to access configuration part these are errors in server logs [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 1 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must implement interface SymfonyComponentTranslationTranslatorInterface, instance of MauticCoreBundleFactoryMauticFactory given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 75 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 2 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be an instance of MauticCoreBundleHelperLanguageHelper, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 76 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 3 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be an instance of MauticCoreBundleFactoryIpLookupFactory, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 77 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 4 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be of the type array, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 78 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 5 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be of the type array, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 79 [] [] [2015-12-28 08:49:48] mautic.WARNING: PHP Warning: Invalid argument supplied for foreach() - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 89 [] [] [2015-12-28 08:49:48] mautic.ERROR: Fatal: Call to undefined method MauticCoreBundleFactoryMauticFactory::trans() - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 133 [] [] any solution for this? ---
**Author:** ![himanshukatyal23](https://avatars.discourse-cdn.com/v4/letter/h/258eb7/32.png) [@himanshukatyal23](https://forum.mautic.org/u/himanshukatyal23)\ **Post date:** [December 28, 2015, 8:59am UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078/2 "2015-12-28T08:59:04Z")
Hi, We have have tried to update mautic to new release 1.2.3 but after successful update we are not able to access configuration part these are errors in server logs [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 1 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must implement interface SymfonyComponentTranslationTranslatorInterface, instance of MauticCoreBundleFactoryMauticFactory given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 75 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 2 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be an instance of MauticCoreBundleHelperLanguageHelper, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 76 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 3 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be an instance of MauticCoreBundleFactoryIpLookupFactory, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 77 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 4 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be of the type array, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 78 [] [] [2015-12-28 08:49:48] mautic.ERROR: PHP Error: Argument 5 passed to MauticCoreBundleFormTypeConfigType::\_\_construct() must be of the type array, none given, called in /home/omnidea/ftp/app/cache/prod/appProdProjectContainer.php on line 1597 and defined - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 79 [] [] [2015-12-28 08:49:48] mautic.WARNING: PHP Warning: Invalid argument supplied for foreach() - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 89 [] [] [2015-12-28 08:49:48] mautic.ERROR: Fatal: Call to undefined method MauticCoreBundleFactoryMauticFactory::trans() - in file /home/omnidea/ftp/app/bundles/CoreBundle/Form/Type/ConfigType.php - at line 133 [] [] any solution for this? ---
**Author:** ![gmillard](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/gmillard/32/5_2.png) [@gmillard](https://forum.mautic.org/u/gmillard)\ **Post date:** [December 28, 2015, 6:49pm UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078/3 "2015-12-28T18:49:42Z")
Hi, Can you try to delete the folder app/cache/prod then refresh the page to see if the error persists? ---
**Author:** ![savanshah](https://avatars.discourse-cdn.com/v4/letter/s/43a26b/32.png) [@savanshah](https://forum.mautic.org/u/savanshah)\ **Post date:** [August 30, 2016, 7:18pm UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078/4 "2016-08-30T19:18:31Z")
Hello Admin , I have upload new latest version on dreamHost and i am getting following error. I tried to change file name to classloader.php and removed the app/cache/prod folder but error is not going and got stuck. Warning: include(): Failed opening ‘/home/savsha4/techattribute.com/mail/app/bundles/InstallBundle/Configurator/Step/CheckStep.php’ for inclusion (include\_path=’.:/usr/local/lib/php:/usr/local/php5/lib/pear’) in /home/savsha4/techattribute.com/mail/vendor/composer/ClassLoader.php on line 412 Fatal error: Class ‘MauticInstallBundleConfiguratorStepCheckStep’ not found in /home/savsha4/techattribute.com/mail/app/cache/prod/appProdProjectContainer.php on line 6817 Fatal error: Uncaught exception ‘SymfonyComponentDebugExceptionClassNotFoundException’ with message ‘Attempted to load class “CheckStep” from namespace “MauticInstallBundleConfiguratorStep”. Did you forget a “use” statement for another namespace?’ in /home/savsha4/techattribute.com/mail/app/cache/prod/appProdProjectContainer.php:6817 Stack trace: #0 {main} Next exception ‘RuntimeException’ with message ‘Failed to start the session because headers have already been sent by “/home/savsha4/techattribute.com/mail/vendor/composer/ClassLoader.php” at line 412.’ in /home/savsha4/techattribute.com/mail/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php:140 Stack trace: #0 /home/savsha4/techattribute.com/mail/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php(278): SymfonyComponentHttpFoundationSessionStorageNativeSessionStorage-\>start() #1 /home/savsha4/techattribute.com/mail/vendor/symfony/http-foundation/Session/Session.php(237): SymfonyComponentHttpFoundationSessionSto in /home/savsha4/techattribute.com/mail/vendor/symfony/http-foundation/Session/Storage/NativeSessionStorage.php on line 140 Please help ---
**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\ **Post date:** [February 2, 2020, 10:54pm UTC](https://forum.mautic.org/t/after-updating-mautic-to-1-2-3-configuration-error/3078/5 "2020-02-02T22:54:36Z")