Woocommerce Multi currency update caused fatal error on my site

The update that I did this morning (GMT) following the email from yourselves caused my site to have a fatal error. I have since disabled the plugin.

Here are the details from the WordPress alert email

Error Details
=============
An error of type E_ERROR was caused in line 92 of the file /home/firespir/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php. Error message: Uncaught Error: Call to undefined function check() in /home/firespir/public_html/wp-content/plugins/woocommerce-multi-currency/admin/order.php:92
Stack trace:
#0 /home/firespir/public_html/wp-admin/includes/template.php(1304): WOOMULTI_CURRENCY_Admin_Order->order_metabox(Object(WP_Post), Array)
#1 /home/firespir/public_html/wp-admin/edit-form-advanced.php(635): do_meta_boxes(Object(WP_Screen), ‘side’, Object(WP_Post))
#2 /home/firespir/public_html/wp-admin/post.php(197): include(‘/home/firespir/…’)
#3 {main}
thrown

I would like to continue using the plugin, so please can you help reslove this.

Thanks