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Hi Peter,
thanks for your response. However, in my context I cannot use another field type such as the single_image as this provides access to the media library popup. My file_upload field is part of a frontend submission form that MUST prevent my users from accessing the media library.

Are there any other work arounds or options to fix this error?

Thanks!

Hi Peter,
thanks for letting me know. Look forward to the fix 🙂

Hi Peter,
has the 5.10.1 and 1.30.1 updates resolved the highlighted issues? I have not had a chance to test yet.

....further to the above I have also spotted an additional issue.

I am also using the MB Group inside a MB Frontend Submission form.

When using the NEW 'clone_empty_start' => true, attribute within the MB Group settings any sub-field within the group which has the 'required' => true, attribute set gets an error validation BEFORE a clone has even been added/created? This prevents my MB Frontend Submission form from being successfully submitted!

The Required Fix
=================
Sub-fields within an MB Group that have the 'required' => true, attribute set should NOT be validated until a NEW clone has been added/created.

Steps to Reproduce
===================

1) Create a MB Group with sub-fields.
2) Within the MB Group settings use the 'clone_empty_start' => true, attribute.
3) Within the first sub-field in the MB Group set the 'required' => true, attribute.
4) Fill out ALL fields within an MB Frontend Submission Form (So there are no other errors) but DO NOT add a MB Group Clone.
5) Attempt to submit the form and you will see that it is not possible and the "Please correct the errors highlighted below and try again." error message is shown.
6) Then add a new MB Group Clone - You will see that the first sub-field is highlighted RED and throwing an error validation?

Again, I assume this is a bug that will be rectified shortly?

I look forward to the fix 🙂

Hi Peter, thanks for the response. Yeah this was the bit I was unclear about? I assume you mean adding this:

'geo' => [
    'api_key' => 'xxxxxxxxxxxxxxxxxxxxxxx',
],

To some field group? Do you mean I need to wrap my "Map Field, Address Field , Hidden field" in a "Field Group and add the above? Not clear to me?

As I am strictly doing this with code I would be grateful if you could show me a simple example?

Thanks Peter, understood. Custom JS solution it is!

Hi Peter,
thanks for your guidance 🙂 Unfortunately your suggested method is not working for me right now? I tried a very simple implementation to see if I can target and output a simple message and update the hidden_field value within an individual clone.

My test function:
==================

function output_to_clone(){

	$post_id = $_GET['rwmb_frontend_field_post_id'];

	$group_values = get_post_meta($post_id, 'group_id', true); 

	$msg = '';

	foreach ( $group_values as $group_key => $group_value ) {
		if ( $group_key == 1 ) {
			$group_value[1]['hidden_field'] = 'Something New';
			$msg .= '<div class="alert alert-danger" role="alert">Group Key = '.$group_key.'</div>';
		} else {
			$msg .= '';
		}
	}
	return $msg;
}

Function output
================

Then within the cloneable group fields I just added the function call:

            [
                'id'                => 'group_id',
				'add_button'        => __( 'Add more', 'text-domain' ),
                'type'              => 'group', 
                'clone'             => true,     
                'sort_clone'        => true,     
				'group_title'       => 'Title {#}',
				'collapsible'       => true,
				'save_state'        => true, 
				'max_clone'         => 3,

                'fields'     => [
					[
						'id'   => 'hidden_field',
						'type' => 'hidden',
						'std'  => 'Hidden Value',
					],
                    [
						'before'           =>   output_to_clone(), // Function output
                        'name'             => __( 'Field One', 'text-domain' ),
						'desc'             => __( 'Add a unique name.', 'text-domain' ),
                        'id'               => 'field_one',
						'type'             => 'text',
                    ],
                    [
                        'name'             => __( 'Field Two', 'text-domain' ),
						'desc'             => __( 'Enter a unique reference.', 'text-domain' ),
                        'id'               => 'field_two',
                        'type'             => 'text',
						'required'       => true,
                    ],
                ],
            ],

Expected Test Outcome
=======================

1) The $group_key == 1 conditional check would output the $msg value for the individual clone that matches the key. All other clones would return an empty $msg.
2) The $group_key == 1 - hidden_field would be updated to "Something New".

Actual Test Outcome
=======================

1) The $group_key == 1 conditional check outputs the same $msg value for ALL cloned fields (IE: Group Key = 1).
2) The $group_key == 1 - hidden_field value is NOT updated.

I am obviously misunderstanding something here? Can you help me understand where I am going wrong? Thanks in advance 🙂