Possible bug – undefined index

Hi, the plugin has been very helpful! I thought you might want to know about the php notices I’ve been seeing though:

[24-Apr-2018 18:10:00 UTC] PHP Notice: Undefined index: attachments in /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Plugin.php on line 232
[24-Apr-2018 18:10:00 UTC] PHP Stack trace:
[24-Apr-2018 18:10:00 UTC] PHP 1. {main}() /Applications/MAMP/htdocs/ludicrisp/wp-admin/admin.php:0
[24-Apr-2018 18:10:00 UTC] PHP 2. do_action() /Applications/MAMP/htdocs/ludicrisp/wp-admin/admin.php:224
[24-Apr-2018 18:10:00 UTC] PHP 3. WP_Hook->do_action() /Applications/MAMP/htdocs/ludicrisp/wp-includes/plugin.php:453
[24-Apr-2018 18:10:00 UTC] PHP 4. WP_Hook->apply_filters() /Applications/MAMP/htdocs/ludicrisp/wp-includes/class-wp-hook.php:310
[24-Apr-2018 18:10:00 UTC] PHP 5. No3x\WPML\WPML_Plugin->LogMenu() /Applications/MAMP/htdocs/ludicrisp/wp-includes/class-wp-hook.php:286
[24-Apr-2018 18:10:00 UTC] PHP 6. No3x\WPML\WPML_Email_Log_List->prepare_items() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_OptionsManager.php:528
[24-Apr-2018 18:10:00 UTC] PHP 7. No3x\WPML\WPML_Email_Log_List->process_bulk_action() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Email_Log_List.php:160
[24-Apr-2018 18:10:00 UTC] PHP 8. No3x\WPML\WPML_Email_Log_List->resend_email() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Email_Log_List.php:412
[24-Apr-2018 18:10:00 UTC] PHP 9. No3x\WPML\WPML_Email_Resender->resendMail() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Email_Log_List.php:425
[24-Apr-2018 18:10:00 UTC] PHP 10. No3x\WPML\WPML_Email_Dispatcher->dispatch() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Email_Resender.php:26
[24-Apr-2018 18:10:00 UTC] PHP 11. wp_mail() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Email_Dispatcher.php:16
[24-Apr-2018 18:10:00 UTC] PHP 12. wpses_mail() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-ses/wp-ses.php:754
[24-Apr-2018 18:10:00 UTC] PHP 13. apply_filters() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-ses/wp-ses.php:571
[24-Apr-2018 18:10:00 UTC] PHP 14. WP_Hook->apply_filters() /Applications/MAMP/htdocs/ludicrisp/wp-includes/plugin.php:203
[24-Apr-2018 18:10:00 UTC] PHP 15. No3x\WPML\WPML_Plugin->log_email() /Applications/MAMP/htdocs/ludicrisp/wp-includes/class-wp-hook.php:286
[24-Apr-2018 18:10:00 UTC] PHP 16. No3x\WPML\WPML_Plugin->extractFields() /Applications/MAMP/htdocs/ludicrisp/wp-content/plugins/wp-mail-logging/WPML_Plugin.php:253