Caution : this will disable all vibethemes plugin updates .
please try adding this given code in your wplms-customizer.php file in wplms customizer plugin :
add_action('plugins_loaded',function(){
remove_action( 'init', 'vibe_shortcodes_update' );
remove_action( 'init', 'vibe_course_module_update' );
remove_action( 'init', 'vibe_custom_types_update' );
remove_action( 'init', 'wplms_assignments_update' );
remove_action( 'init', 'wplms_dashboard_update' );
remove_action( 'init', 'wplms_front_end_update' );
},11);
add_action('init',function(){
if(class_exists('WPLMS_Register')){
$reg = WPLMS_Register::init();
remove_action( 'admin_init',array($reg,'storegoogle_webfonts' ));
}
});