# Error on installation The "parameter "f8\_S" must be defined"

**URL:** https://forum.mautic.org/t/error-on-installation-the-parameter-f8-s-must-be-defined/30684
**Category:** Product Support
**Created:** [January 27, 2024, 5:49am UTC](https://forum.mautic.org/t/error-on-installation-the-parameter-f8-s-must-be-defined/30684 "2024-01-27T05:49:17Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![brunoraj](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/brunoraj/32/11334_2.png) [@brunoraj](https://forum.mautic.org/u/brunoraj)
#### Post date: [January 27, 2024, 5:49am UTC](https://forum.mautic.org/t/error-on-installation-the-parameter-f8-s-must-be-defined/30684/1 "2024-01-27T05:49:17Z")

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Here I am facing the Error The parameter “f8\_S” must be defined  
on installation process can anyone help me on this

Symfony\Component\DependencyInjection\Exception\InvalidArgumentException: The parameter “f8\_S” must be defined