How to reproduce
Call stack 1 () JROOT/plugins/system/t4/src/t4/Helper/Path.php:12 2 T4\Helper\Path::findInTheme() JROOT/plugins/system/t4/src/t4/Helper/Path.php:63 3 T4\Helper\Path::getFileContent() JROOT/plugins/system/t4/src/t4/Helper/TemplateStyle.php:140 4 T4\Helper\TemplateStyle::loadGlobalParams() JROOT/plugins/system/t4/t4.php:89 5 PlgSystemT4->onAfterDispatch() JROOT/libraries/src/Plugin/CMSPlugin.php:285 6 Joomla\CMS\Plugin\CMSPlugin->Joomla\CMS\Plugin\{closure}() JROOT/libraries/vendor/joomla/event/src/Dispatcher.php:486 7 Joomla\Event\Dispatcher->dispatch() JROOT/libraries/src/Application/EventAware.php:111 8 Joomla\CMS\Application\WebApplication->triggerEvent() JROOT/libraries/src/Application/SiteApplication.php:211 9 Joomla\CMS\Application\SiteApplication->dispatch() JROOT/libraries/src/Application/SiteApplication.php:245 10 Joomla\CMS\Application\SiteApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:278 11 Joomla\CMS\Application\CMSApplication->execute() JROOT/includes/app.php:63 12 require_once() JROOT/index.php:32
Hi maxim-pishnyak
You can try solution here: https://www.joomlart.com/forums/d/38291-warning-path-php
Nice job, Saguaros! Have a nice day!