how to crop left and right black bars, keep ratio aspect at the same time?

The following warnings occurred:

Warning [2] Trying to access array offset on null - Line: 198 - File: inc/plugins/google_seo.php PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/google_seo.php	198	errorHandler->error_callback
/inc/plugins/google_seo/redirect.php	135	google_seo_tid
/inc/class_plugins.php	142	google_seo_redirect_hook
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once

Warning [2] Trying to access array offset on null - Line: 14 - File: inc/plugins/cookielaw.php(272) : eval()'d code PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/cookielaw.php(272) : eval()'d code	14	errorHandler->error_callback
/inc/plugins/cookielaw.php	272	eval
/inc/class_plugins.php	142	cookielaw_global_intermediate
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once

Warning [2] Trying to access array offset on null - Line: 14 - File: inc/plugins/cookielaw.php(272) : eval()'d code PHP 8.3.12-nmm1 (Linux)

File	Line	Function
/inc/class_error.php	153	errorHandler->error
/inc/plugins/cookielaw.php(272) : eval()'d code	14	errorHandler->error_callback
/inc/plugins/cookielaw.php	272	eval
/inc/class_plugins.php	142	cookielaw_global_intermediate
/global.php	100	pluginSystem->run_hooks
/showthread.php	28	require_once