Magento 2.4.4 undefined constant in reader.php

[mtakkouchc9471]

Hello,

I am trying to install Magento 2.4.4 on local and faced the below undefined constant error after running

bin/magento setup:upgrade

Composer install did run successfully before running this command.

php version is 8.1.5

composer version is 2.2.4

OS: pop-OS

Magento version: 2.4.4 Enterprise Edition (the Magento instance is fetched from a remote repo)

Elasticsearch is up and running

The error message is

Undefined constant "​"#0 /var/www/html/project-code/vendor/magento/framework/App/DeploymentConfig/Reader.php(113): include()
#1 /var/www/html/project-code/vendor/magento/framework/App/DeploymentConfig.php(171): Magento\Framework\App\DeploymentConfig\Reader->load()
#2 /var/www/html/project-code/vendor/magento/framework/App/DeploymentConfig.php(79): Magento\Framework\App\DeploymentConfig->load()
#3 /var/www/html/project-code/vendor/magento/framework/App/ObjectManagerFactory.php(117): Magento\Framework\App\DeploymentConfig->get()
#4 /var/www/html/project-code/vendor/magento/framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create()
#5 /var/www/html/project-code/vendor/magento/framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct()
#6 /var/www/html/project-code/vendor/magento/framework/Console/Cli.php(184): Magento\Framework\App\Bootstrap::create()
#7 /var/www/html/project-code/vendor/magento/framework/Console/Cli.php(84): Magento\Framework\Console\Cli->initObjectManager()
#8 /var/www/html/project-code/bin/magento(22): Magento\Framework\Console\Cli->__construct()
#9 {main}

Also tried this in wamp and it gave same error. 

Thank you in advance!! 

[assetzsoho4135]

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[patrickpate244]

Did you find a solution? I got same issue with a M2.4.5 on one server running, but not on the other...