MailerLite 1.5.8 ERROR

Hello,
Since we upgraded to Mailerlite 1.5.8, we received this error :

Une erreur de type E_ERROR a été causée dans la ligne 259 du fichier /home/madebloc/public_html/wp-content/plugins/woo-mailerlite/woo-mailerlite.php. Message d’erreur : Uncaught Error: Call to undefined function woo_ml_update_data() in /home/madebloc/public_html/wp-content/plugins/woo-mailerlite/woo-mailerlite.php:259
Stack trace:
#0 /home/madebloc/public_html/wp-content/plugins/woo-mailerlite/woo-mailerlite.php(46): Woo_Mailerlite->migrations()
#1 /home/madebloc/public_html/wp-content/plugins/woo-mailerlite/woo-mailerlite.php(274): Woo_Mailerlite::instance()
#2 /home/madebloc/public_html/wp-includes/class-wp-hook.php(303): woo_ml_load('')
#3 /home/madebloc/public_html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array)
#4 /home/madebloc/public_html/wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#5 /home/madebloc/public_html/wp-settings.php(441): do_action('plugins_loaded')
#6 /home/madebloc/public_html/wp-config.php(104): require_once('/home/madebloc/...')
#7 /home/madebloc/public_html/wp-load.php(50): require_once('/home/madebloc/...')
#8 /home/madebloc/public_html/wp-login.php(12): require('/home/madebloc/...')
#9 {main}
  thrown

How could we solve that please ?

Thank you.