A lot of PHP errors, Thank you page broken

Hi, I have problems with the plugin. On the Thank you page I get a lot of PHP errors like these

Notice: Undefined index: order-received in /srv/www/woo/public_html/wp-content/plugins/woocommerce-multi-currency/frontend/symbol.php on line 215

and these

Notice: Undefined index: order-received in /srv/www/woo/public_html/wp-content/plugins/woocommerce-multi-currency/frontend/symbol.php on line 215

In result thank you page is totally broken – screenshot provided.

Settings:
6 currencies (USD default) (no custom symbols)
Currency by location
Currency countries table (everything filled with countries)
Checkout currency (only USD, default USD)