what should I edit, I downloaded the file and uploaded it to the server and can you help me?
PHP script '/home/u980389816/domains/yourhosting/public_html/panel/index.php' is protected by 
	
		
			 Please
 upgrade your account to access the hidden content.
		
 
	
 and requires a SourceGuardian loader 'ixed.7.3.lin' to be installed.
1) 
	
		
			 Please
 upgrade your account to access the hidden content.
		
 
	
 to download the required 'ixed.7.3.lin' loader from the SourceGuardian site
2) Install the loader to /opt/alt/php73/usr/lib64/php/modules
3) Edit /opt/alt/php73/etc/php.ini and add 'extension=ixed.7.3.lin' directive
4) Restart the web server