# Autoload.php

**URL:** <https://forum.mautic.org/t/autoload-php/28394>\
**Category:** Product Support\
**Tags:** mautic-4\
**Created:** [June 22, 2023, 2:32am UTC](https://forum.mautic.org/t/autoload-php/28394 "2023-06-22T02:32:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![wph524](https://avatars.discourse-cdn.com/v4/letter/w/4af34b/32.png) [@wph524](https://forum.mautic.org/u/wph524)\
**Post date:** [June 22, 2023, 2:32am UTC](https://forum.mautic.org/t/autoload-php/28394/1 "2023-06-22T02:32:00Z")

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**Your software**  
My Mautic version is:4.4.9  
My PHP version is:8.0.29  
My Database type and version is:

**Your problem**  
My problem is:  
**Warning** : require(/var/www/html/vendor/autoload.php): failed to open stream: No such file or directory in **/var/www/html/autoload.php** on line **3**

These errors are showing in the log:

Steps I have tried to fix the problem: No

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**Author:** ![mzagmajster](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mzagmajster/32/687_2.png) [@mzagmajster](https://forum.mautic.org/u/mzagmajster)\
**Post date:** [June 23, 2023, 1:16pm UTC](https://forum.mautic.org/t/autoload-php/28394/2 "2023-06-23T13:16:41Z")

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Assuming dependencies are installed:

generate autoload class:

composer dump-autoload

if they are not installed, download them from github release page.

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**Author:** ![wph524](https://avatars.discourse-cdn.com/v4/letter/w/4af34b/32.png) [@wph524](https://forum.mautic.org/u/wph524)\
**Post date:** [July 14, 2023, 6:07am UTC](https://forum.mautic.org/t/autoload-php/28394/3 "2023-07-14T06:07:44Z")

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Thank you.