Errors in version 2.0

After updating I can see errors/warnings:

[03-Feb-2017 11:35:31 UTC] PHP Warning:  include_once(/home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl\..\_css\style.css): failed to open stream: No such file or directory in /home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl/bankSelection.phtml on line 10
[03-Feb-2017 11:35:31 UTC] PHP Warning:  include_once(): Failed opening '/home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl\..\_css\style.css' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl/bankSelection.phtml on line 10
[03-Feb-2017 11:35:40 UTC] PHP Warning:  include_once(/home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl\..\_css\style.css): failed to open stream: No such file or directory in /home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl/bankSelection.phtml on line 10
[03-Feb-2017 11:35:40 UTC] PHP Warning:  include_once(): Failed opening '/home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl\..\_css\style.css' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php') in /home/stronatest/public_html/testowa/wp-content/plugins/woocommerce-transferujpl-payment-gateway/lib/src/common/_tpl/bankSelection.phtml on line 10