Fatal error: Uncaught TypeError: substr(): Argument #1 ($string) must be of type string, null given in /var/www/vhosts/renata.com/httpdocs/src/modulesint/pages/CountryCodeController.php:69
Stack trace:
#0 /var/www/vhosts/renata.com/httpdocs/src/modulesint/pages/CountryCodeController.php(69): substr(NULL, 0, 2)
#1 /var/www/vhosts/renata.com/httpdocs/src/modulesint/pages/boxes/LangswitchboxClass.php(98): modules\pages\CountryCodeController->getCountryUrl()
#2 /var/www/vhosts/renata.com/httpdocs/src/modulesint/pages/TemplateFEClass.php(76): modules\pages\boxes\LangswitchboxClass->view(1, 'en', 2122, 109126, 0, '', false)
#3 /var/www/vhosts/renata.com/httpdocs/src/classes/VEOFunctions.php(361): modules\pages\TemplateFEClass->showBox(1, 'en', 2122, 109126, 0)
#4 /var/www/vhosts/renata.com/httpdocs/tmp/twig/42/42de04489456952321c4004456e0b6b1.php(281): classes\VEOFunctions::classes\{closure}('langswitchbox', 'langswitchbox')
#5 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(430): __TwigTemplate_195026767f8cb5f37afd9c0b36672f47->block_headerbefore(Array, Array)
#6 /var/www/vhosts/renata.com/httpdocs/tmp/twig/42/42de04489456952321c4004456e0b6b1.php(127): Twig\Template->yieldBlock('headerbefore', Array, Array)
#7 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(360): __TwigTemplate_195026767f8cb5f37afd9c0b36672f47->doDisplay(Array, Array)
#8 /var/www/vhosts/renata.com/httpdocs/tmp/twig/6a/6a6b2670e783340b01bbf8e66aa89123.php(45): Twig\Template->yield(Array, Array)
#9 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(360): __TwigTemplate_b369c0e483ef8ba0ad9f1e2c2c93083c->doDisplay(Array, Array)
#10 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(335): Twig\Template->yield(Array)
#11 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/TemplateWrapper.php(38): Twig\Template->render(Array)
#12 /var/www/vhosts/renata.com/httpdocs/src/classes/VEOFunctions.php(378): Twig\TemplateWrapper->render(Array)
#13 /var/www/vhosts/renata.com/httpdocs/index.php(185): classes\VEOFunctions::getTwig('/var/www/vhosts...', Array)
#14 {main}

Next Twig\Error\RuntimeError: An exception has been thrown during the rendering of a template ("substr(): Argument #1 ($string) must be of type string, null given"). in /var/www/vhosts/renata.com/httpdocs/templates/main.twig:35
Stack trace:
#0 /var/www/vhosts/renata.com/httpdocs/tmp/twig/42/42de04489456952321c4004456e0b6b1.php(127): Twig\Template->yieldBlock('headerbefore', Array, Array)
#1 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(360): __TwigTemplate_195026767f8cb5f37afd9c0b36672f47->doDisplay(Array, Array)
#2 /var/www/vhosts/renata.com/httpdocs/tmp/twig/6a/6a6b2670e783340b01bbf8e66aa89123.php(45): Twig\Template->yield(Array, Array)
#3 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(360): __TwigTemplate_b369c0e483ef8ba0ad9f1e2c2c93083c->doDisplay(Array, Array)
#4 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/Template.php(335): Twig\Template->yield(Array)
#5 /var/www/vhosts/renata.com/httpdocs/vendor/twig/twig/src/TemplateWrapper.php(38): Twig\Template->render(Array)
#6 /var/www/vhosts/renata.com/httpdocs/src/classes/VEOFunctions.php(378): Twig\TemplateWrapper->render(Array)
#7 /var/www/vhosts/renata.com/httpdocs/index.php(185): classes\VEOFunctions::getTwig('/var/www/vhosts...', Array)
#8 {main}
  thrown in /var/www/vhosts/renata.com/httpdocs/templates/main.twig on line 35