PHP8 Error: Unknown format specifier “?”

Hi all,

This error occurs only with PHP 8.0.2.0

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Uncaught ValueError: Unknown format specifier "?" in /wp-content/plugins/woo-permalink-manager/freemius/templates/forms/deactivation/retry-skip.php:23 Stack trace: #0 /wp-content/plugins/woo-permalink-manager/freemius/templates/forms/deactivation/retry-skip.php(23): sprintf('\xD0\x92\xD0\xBE\xD0\xB7\xD0\xBC\xD0\xBE\xD0\xB6\xD0\xBD\xD0...', '<a href='http:/...') #1 /wp-content/plugins/woo-permalink-manager/freemius/includes/fs-core-functions.php(57): require('/...') #2 /wp-content/plugins/woo-permalink-manager/freemius/includes/class-freemius.php(2619): fs_get_template('forms/deactivat...', Array) #3 /wp-content/plugins/woo-permalink-manager/freemius/includes/class-freemius.php(2498): Freemius->_get_uninstall_reasons('long-term') #4 /wp-includes/class-wp-hook.php(292): Freemius->_add_deactivation_feedback_dialog_box('') #5 /wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #6 /wp-includes/plugin.php(484): WP_Hook->do_action(Array) #7 /wp-admin/admin-footer.php(78): do_action('admin_footer', '') #8 /wp-admin/plugins.php(782): require_once('/...') #9 {main} thrown in /wp-content/plugins/woo-permalink-manager/freemius/templates/forms/deactivation/retry-skip.php on line 23
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Could you fix it? Thanks in advance!