# 4.3.1 install failing with Symfony error

**URL:** <https://forum.mautic.org/t/4-3-1-install-failing-with-symfony-error/24236>\
**Category:** Mautic 4 Install/Upgrade Support\
**Created:** [May 26, 2022, 9:01pm UTC](https://forum.mautic.org/t/4-3-1-install-failing-with-symfony-error/24236 "2022-05-26T21:01:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**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:** [May 27, 2022, 1:35pm UTC](https://forum.mautic.org/t/4-3-1-install-failing-with-symfony-error/24236/2 "2022-05-27T13:35:11Z")

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4 posts were split to a new topic: [Dashboard error after updating to 4.3.1](https://forum.mautic.org/t/dashboard-error-after-updating-to-4-3-1/24244)

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_[View the full topic](https://forum.mautic.org/t/4-3-1-install-failing-with-symfony-error/24236)._