Deprecated function: Drupal\switch_page_theme\Theme\PageThemeNegotiator::__construct(): Implicitly marking parameter $negotiator as nullable is deprecated, the explicit nullable type must be used instead in include() (line 582 of vendor/composer/ClassLoader.php).
Deprecated function: Drupal\switch_page_theme\Theme\PageThemeNegotiator::__construct(): Implicitly marking parameter $language_manager as nullable is deprecated, the explicit nullable type must be used instead in include() (line 582 of vendor/composer/ClassLoader.php).
