Warning: array_merge(): Argument #2 is not an array in index.php on line 445

#0 [internal function]: __error(2, 'array_merge(): ...', '/usr/www/users/...', 445, Array)
#1 index.php(445): array_merge(Array, NULL)
#2 index.php(801): Index->run()
#3 {main}

Warning: Cannot modify header information - headers already sent by (output started at /usr/www/users/xndddinn/contao_prod/system/helper/functions.php:70) in system/modules/core/library/Contao/Template.php on line 261

#0 [internal function]: __error(2, 'Cannot modify h...', '/usr/www/users/...', 261, Array)
#1 system/modules/core/library/Contao/Template.php(261): header('Vary: User-Agen...', false)
#2 system/modules/core/classes/FrontendTemplate.php(118): Contao\Template->output()
#3 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#4 index.php(614): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#5 index.php(801): Index->run()
#6 {main}

Warning: Cannot modify header information - headers already sent by (output started at /usr/www/users/xndddinn/contao_prod/system/helper/functions.php:70) in system/modules/core/library/Contao/Template.php on line 262

#0 [internal function]: __error(2, 'Cannot modify h...', '/usr/www/users/...', 262, Array)
#1 system/modules/core/library/Contao/Template.php(262): header('Content-Type: t...')
#2 system/modules/core/classes/FrontendTemplate.php(118): Contao\Template->output()
#3 system/modules/core/pages/PageRegular.php(183): Contao\FrontendTemplate->output(true)
#4 index.php(614): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#5 index.php(801): Index->run()
#6 {main}