Something is causing Fatal error

PHP Fatal error: Uncaught Error: Call to undefined function woodmart_needs_header() in /home/wp_sssgct/tonerhouse.rs/wp-content/themes/woodmart/header.php:23
Stack trace:
#0 /home/wp_sssgct/tonerhouse.rs/wp-includes/template.php(790): require_once()
#1 /home/wp_sssgct/tonerhouse.rs/wp-includes/template.php(725): load_template(‘/home/wp_sssgct…’, true, Array)
#2 /home/wp_sssgct/tonerhouse.rs/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#3 /home/wp_sssgct/tonerhouse.rs/wp-content/themes/woodmart/page.php(13): get_header()
#4 /home/wp_sssgct/tonerhouse.rs/wp-includes/template-loader.php(106): include(‘/home/wp_sssgct…’)
#5 /usr/local/wp/vendor/wp-cli/doctor-command/inc/class-command.php(354): require_once(‘/home/wp_sssgct…’)
#6 /usr/local/wp/vendor/wp-cli/doctor-command/inc/class-command.php(168): runcommand\Doctor\Command->load_wordpress_with_template()
#7 [internal function]: runcommand\Doctor\Command->check(Array, Array)
#8 /usr/local/wp/php/WP_CLI/Dispatcher/CommandFactory.php(100): call_user_func(Array, Array, Array)
#9 [internal function]: WP_CLI\Dispatcher\CommandFactory::WP_CLI\Dispatcher\{closure}(Array, Array)
#10 /usr/local/wp/php/WP_CLI/Dispatcher/Subcommand.php(488): call_user_func(Object(Closure), Array, Array)
#11 /usr/local/wp/php/WP_CLI/Runner.php(437): WP_CLI\Dispatcher\Subcommand->invoke(Array, Array, Array)
#12 /usr/local/wp/php/WP_CLI/Runner.php(460): WP_CLI\Runner->run_command(Array, Array)
#13 /usr/local/wp/php/WP_CLI/Runner.php(136): WP_CLI\Runner->run_command_and_exit()
#14 /usr/local/wp/php/WP_CLI/Runner.php(1219): WP_CLI\Runner->do_early_invoke(‘before_wp_load’)
#15 /usr/local/wp/php/WP_CLI/Bootstrap/LaunchRunner.php(28): WP_CLI\Runner->start()
#16 /usr/local/wp/php/bootstrap.php(83): WP_CLI\Bootstrap\LaunchRunner->process(Object(WP_CLI\Bootstrap\BootstrapState))
#17 /usr/local/wp/php/wp-cli.php(32): WP_CLI\bootstrap()
#18 /usr/local/wp/php/boot-fs.php(17): require_once(‘/usr/local/wp/p…’)
#19 {main}
thrown in /home/wp_sssgct/tonerhouse.rs/wp-content/themes/woodmart/header.php on line 23
Fatal error: Uncaught Error: Call to undefined function woodmart_needs_header() in /home/wp_sssgct/tonerhouse.rs/wp-content/themes/woodmart/header.php:23