I am also running in the same issue, checked all php configurations I found on the Internet regarding this error to make sure they are as recommended.
In the error logs I find stuff like this:
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Undefined array key "HTTP_ACCEPT_LANGUAGE" in //public_html/src/PrestaShopBundle/Install/LanguageList.php on line 190
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in //public_html/src/PrestaShopBundle/Install/LanguageList.php on line 190
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Trying to access array offset on value of type bool in //public_html/install/classes/controllerHttp.php on line 150
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Undefined array key "" in //public_html/src/PrestaShopBundle/Install/LanguageList.php on line 126
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Attempt to read property "locale" on null in //public_html/classes/Context.php on line 415
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Undefined array key "HTTP_ACCEPT_LANGUAGE" in //public_html/src/PrestaShopBundle/Install/LanguageList.php on line 190
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Deprecated: explode(): Passing null to parameter #2 ($string) of type string is deprecated in //public_html/src/PrestaShopBundle/Install/LanguageList.php on line 190
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: Trying to access array offset on value of type bool in //public_html/install/classes/controllerHttp.php on line 150
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Warning: include(): Failed opening '//public_html/var/cache/prod/translations/catalogue.en-US.NXhscRe.php' for inclusion (include_path='//public_html/vendor/pear/pear_exception://public_html/vendor/pear/console_getopt://public_html/vendor/pear/pear-core-minimal/src://public_html/vendor/pear/archive_tar:.:/opt/cpanel/ea-php82/root/usr/share/pear') in //public_html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php on line 357
[27-Mar-2023 21:08:37 Europe/Sofia] PHP Fatal error: Uncaught Error: Call to a member function getLocale() on bool in //public_html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php:224
Stack trace:
#0 //public_html/src/PrestaShopBundle/Translation/PrestaShopTranslatorTrait.php(70): Symfony\Component\Translation\Translator->trans('Welcome to the ...', Array, 'Install', NULL)
#1 //public_html/install/theme/views/welcome.php(39): PrestaShopBundle\Translation\TranslatorComponent->trans('Welcome to the ...', Array, 'Install')
#2 //public_html/install/classes/controllerHttp.php(487): include('//p...')
#3 //public_html/install/classes/controllerHttp.php(420): InstallControllerHttp->renderTemplate('//p...', 'welcome')
#4 //public_html/install/classes/controllerHttp.php(469): InstallControllerHttp->getTemplate('welcome')
#5 //public_html/install/controllers/http/welcome.php(74): InstallControllerHttp->displayContent('welcome')
#6 //public_html/install/classes/controllerHttp.php(278): InstallControllerHttpWelcome->display()
#7 //public_html/install/index.php(53): InstallControllerHttp::execute()
#8 {main}
thrown in //public_html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php on line 224
[28-Mar-2023 00:19:04 Europe/Sofia] PHP Warning: include(): Failed opening '//public_html/var/cache/prod/translations/catalogue.en-US.NXhscRe.php' for inclusion (include_path='//public_html/vendor/pear/pear_exception://public_html/vendor/pear/console_getopt://public_html/vendor/pear/pear-core-minimal/src://public_html/vendor/pear/archive_tar:.:/opt/cpanel/ea-php81/root/usr/share/pear') in //public_html/vendor/symfony/symfony/src/Symfony/Component/Translation/Translator.php on line 357
The above solution DID NOT WORK unfortunately. Help would be appreciated.
Here's the php info file - https://flitepal.com/phpnfo.php
