It worked for mefunctions.php
add
update_site_option( 'thim_core_product_registration_themes', [ 'eduma' => [ 'site_key' => '99AB44DC-177F3DB8-9422A245-126B0836' ] ] );
***********
<?php
/**
* thim functions and definitions
*
* @package thim
*/
update_site_option( 'thim_core_product_registration_themes', [ 'eduma' => [ 'site_key' => '99AB44DC-177F3DB8-9422A245-126B0836' ] ] );
define( 'THIM_DIR', trailingslashit( get_template_directory() ) );
define( 'THIM_URI', trailingslashit( get_template_directory_uri() ) );
const THIM_THEME_VERSION = '5.4.1';
/**
* Set the content width based on the theme's design and stylesheet.
*/
thanks