Fatal error: Cannot declare class Fotografie_Upgrade_Pro_Customize_Section_Pro

Hey. I`m getting an error while trying to customize the Theme options . The full detailed Error : <b>Fatal error</b>: Cannot declare class Fotografie_Upgrade_Pro_Customize_Section_Pro, because the name is already in use in <b>/home/dktherapyco/public_html/wp-content/themes/fotografie/inc/customizer/upgrade-button/section-pro.php</b> on line <b>0</b>   Wordpress version 6.5 PHP version 7.4 Theme version 2.4.1   Please help.