Adding a custom parameter inside group[] makes the whole group[] parameter return {}

Support
#1

A component param of type group[] breaks completely when any of its sub-params uses a custom control type registered via cs_parameters_managed_register() .

The repeater’s value is saved correctly to the database, but at render time the whole group[] param resolves to an unresolvable object. Every sub-param in that group is affected, including sibling sub-params that use built-in control types.

I’ve reverted back to Pro 6.8.12 and it works, so it must be a bug present in 6.9.2

Parameter code:
// — CASES POST SELECTOR — //
cs_parameters_managed_register(‘cases-post-selector’, [
‘type’ => ‘select’,
‘label’ => ‘Select Case’,
‘options’ => call_user_func(function() {
$options = [[‘value’ => ‘’, ‘label’ => ‘Select a Case’]];

    $portfolio_posts = get_posts([
        'post_type'      => 'klantcase', 
        'posts_per_page' => -1, 
        'post_status'    => 'publish', 
        'orderby'        => 'title', 
        'order'          => 'ASC'
    ]);
    
    if (!empty($portfolio_posts)) {
        foreach ($portfolio_posts as $post) { 
            $options[] = [
                'value' => $post->ID, 
                'label' => $post->post_title
            ]; 
        }
    }
    return $options;

}),
]); // — CASES POST SELECTOR — //
cs_parameters_managed_register(‘cases-post-selector’, [
‘type’ => ‘select’,
‘label’ => ‘Select Case’,
‘options’ => call_user_func(function() {
// Initial empty state
$options = [[‘value’ => ‘’, ‘label’ => ‘Select a Case’]];

        // Fetch posts of type 'x-portfolio'
        $portfolio_posts = get_posts([
            'post_type'      => 'klantcase', 
            'posts_per_page' => -1, 
            'post_status'    => 'publish', 
            'orderby'        => 'title', 
            'order'          => 'ASC'
        ]);
        
        // Populate options
        if (!empty($portfolio_posts)) {
            foreach ($portfolio_posts as $post) { 
                $options[] = [
                    'value' => $post->ID, 
                    'label' => $post->post_title
                ]; 
            }
        }
        return $options;
}),
]);

Custom looper code:
// — HOOK FOR THE MANUAL SELECTION LOOPER: CASES —
add_filter(‘cs_looper_custom_hl_get_case_posts’, function( $result, $params ) {

if ( empty( $params['case_posts'] ) ) { 
    return []; 
}

$raw_data = $params['case_posts'];
$case_ids =[];

if ( is_string($raw_data) && strpos($raw_data, '[') === false ) {
    $case_ids = explode(',', $raw_data);
} 
elseif ( is_string($raw_data) ) {
    $decoded = json_decode($raw_data, true);
    if ( is_array($decoded) ) {
        foreach ( $decoded as $item ) {
            if ( isset($item['case_post']) && !empty($item['case_post']) ) {
                $case_ids[] = $item['case_post'];
            }
        }
    }
} 
elseif ( is_array($raw_data) ) {
    foreach ( $raw_data as $item ) {
        if ( is_array($item) && isset($item['case_post']) && !empty($item['case_post']) ) {
            $case_ids[] = $item['case_post'];
        } elseif ( is_numeric($item) || is_string($item) ) {
            $case_ids[] = $item; // Fallback if it's a flat array of IDs
        }
    }
}

$case_ids = array_filter( array_map('intval', $case_ids) );

if ( empty( $case_ids ) ) {
    return[];
}

$args =[
    'post_type'      => 'klantcase', 
    'post__in'       => $case_ids, 
    'orderby'        => 'post__in', 
    'posts_per_page' => -1,
    'post_status'    => 'publish'
];

$query = new WP_Query($args);
return $query->posts;

}, 10, 2);