Showing a critical error on my webisite

sir, i face a problem from yestrday that it says critical error on website but i am unable to do anything. I use Bitnami AWS so i use the command line to disable the plugin
when i tried to disable the plugin it coms with an error log

[Mon Aug 08 16:33:17.742630 2022] [proxy_fcgi:error] [pid 1019:tid
140681813042944] [client **ip_address**:38572] AH01071: Got error 'PHP message:
PHP Fatal error: Uncaught Error: Call to undefined function create_function() in
/bitnami/wordpress/wp-content/themes/hello-elementor/functions.php:10
Stack trace:
#0 /opt/bitnami/wordpress/wp-settings.php(566): include()
#1 /bitnami/wordpress/wp-config.php(190): require_once('...')
#2 /opt/bitnami/wordpress/wp-load.php(50): require_once('...')
#3 [Mon Aug 08 16:33:23.557590 2022] [proxy_fcgi:error] [pid 1019:tid
140682140059392] [client **ip_address**:38246] AH01071: Got error 'PHP message:
PHP Fatal error: Uncaught Error: Call to undefined function create_function() in
/bitnami/wordpress/wp-content/themes/hello-elementor/functions.php:10
Stack trace:
#0 /opt/bitnami/wordpress/wp-settings.php(566): include()
#1 /bitnami/wordpress/wp-config.php(190): require_once('...')
#2 /opt/bitnami/wordpress/wp-load.php(50): require_once('...')
 [Mon Aug 08 16:33:54.792151 2022] [proxy_fcgi:error] [pid 1019:tid
140681779472128] [client **ip_address**:16586] AH01071: Got error 'PHP message:
Press [Enter] to continue:
PHP Fatal error: Uncaught Error: Call to undefined function create_function() in
/bitnami/wordpress/wp-content/themes/hello-elementor/functions.php:10
Stack trace:
#0 /opt/bitnami/wordpress/wp-settings.php(566): include()
#1 /bitnami/wordpress/wp-config.php(190): require_once('...')
#2 /opt/bitnami/wordpress/wp-load.php(50): require_once('...')

hope this will be comes with a plugin or theme. I yes could you please confirm how i able to resolve

Regards, Midhun

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