Customize Out of Stock Validation Message
Code
Filename: gplc-customize-out-of-stock-validation-message.php
<?php
/**
* Gravity Perks // Limit Choices // Customize Out of Stock Validation Message
* https://gravitywiz.com/documentation/gravity-forms-limit-choices/
*/
add_filter( 'gplc_out_of_stock_message', function( $out_of_stock_message, $form, $field, $inventory_data ) {
return 'Sorry, friends. This item is no longer available.';
}, 10, 4 );