php errors theme unwind

hi there tnx for help. im using your theme unwind quite a lot of time with jetpack portfolio features. im having some issues with jetpack connection that im solving also with support of wordfence/jetpack/ allinoneseo. i check also php error and saw that also i got errors from unwind theme i did notice immediately. i have up-dated versione of all plugins. what are these and how can i solve them, can you pls help me illuminate? im having also other from allinoneseo and jetpack that im solving with them.

child 4018 said into stderr: "[01-Oct-2024 16:57:04 Europe/Rome] PHP Fatal error: Uncaught Error: Call to undefined function get_header() in /web/htdocs/www.marcodelogu.com/home/wp-content/themes/siteorigin-unwind/index.php:15" 

child 4018 said into stderr: "Stack trace:" 

child 4018 said into stderr: "#0 {main}" 

child 4018 said into stderr: " thrown in /web/htdocs/www.marcodelogu.com/home/wp-content/themes/siteorigin-unwind/index.php on line 15" 

child 7689 said into stderr: "[30-Sep-2024 10:40:32 Europe/Rome] PHP Fatal error: Uncaught Error: Call to undefined function get_header() in /web/htdocs/www.marcodelogu.com/home/wp-content/themes/siteorigin-unwind/index.php:15" 

child 7689 said into stderr: "Stack trace:" 

child 7689 said into stderr: "#0 {main}" 

child 7689 said into stderr: " thrown in /web/htdocs/www.marcodelogu.com/home/wp-content/themes/siteorigin-unwind/index.php on line 15" 

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