I get : Payment error:Unexpected response from Bankart:

Hello support,

When I use your plugin for Payment gateway, I get this error:

Payment error:Unexpected response from Bankart:

Also in my public_html/wp-content/uploads/wc-logs I get this error messages:

10-14-2019 @ 09:54:47 – Processing payment for order_id=2392
10-14-2019 @ 09:54:48 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=218.00, action=4, trackid=2392 …
10-14-2019 @ 09:54:48 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 09:54:48 – Error getting HPP from Bankart: Unexpected response from Bankart:
10-14-2019 @ 10:35:50 – Processing payment for order_id=2393
10-14-2019 @ 10:35:50 – Processing payment for order_id=2394
10-14-2019 @ 10:35:51 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=327.00, action=4, trackid=2393 …
10-14-2019 @ 10:35:51 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 10:35:51 – Error getting HPP from Bankart: Unexpected response from Bankart:
10-14-2019 @ 10:35:51 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=327.00, action=4, trackid=2394 …
10-14-2019 @ 10:35:51 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 10:35:51 – Error getting HPP from Bankart: Unexpected response from Bankart:
10-14-2019 @ 10:41:01 – Processing payment for order_id=2394
10-14-2019 @ 10:41:02 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=327.00, action=4, trackid=2394 …
10-14-2019 @ 10:41:02 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 10:41:02 – Error getting HPP from Bankart: Unexpected response from Bankart:
10-14-2019 @ 10:58:21 – Processing payment for order_id=2394
10-14-2019 @ 10:58:21 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=327.00, action=4, trackid=2394 …
10-14-2019 @ 10:58:21 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 10:58:21 – Error getting HPP from Bankart: Unexpected response from Bankart:
10-14-2019 @ 11:09:46 – Processing payment for order_id=2395
10-14-2019 @ 11:09:46 – POST-ing to Bankart: responseURL=https://greenpassion.si/wc-api/bankart_callback, amt=436.00, action=4, trackid=2395 …
10-14-2019 @ 11:09:46 – Unexpected response from Bankart. Code=, body=
10-14-2019 @ 11:09:46 – Error getting HPP from Bankart: Unexpected response from Bankart:

Any help with this?

Thank you

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