Error message at checkout page

-- url of the page with the problem -- : www.ericspeanuts.com
-- HikaShop version -- : 4.7.2
-- Joomla version -- : 4.2.9
-- PHP version -- : 8
-- Browser(s) name and version -- : chrome
-- Error-message(debug-mod must be tuned on) -- : 401
ERROR 401 CONNECTING TO THE API ( CHECKOUT.POSTFINANCE.CH:443/API/TRANSACTION/CREATE?SPACEID=XXXX ) : {"DATE":"2023-03-22T07:59:05.769Z","DEFAULTMESSAGE":"THE REQUEST WAS DECLINED BECAUSE AUTHENTICATION FAILED.","ID":"XXXXXXXXXXXXXXXXXXXX (2023-03-22T07:59:05.769Z)","MESSAGE":"THE REQUEST WAS DECLINED BECAUSE AUTHENTICATION FAILED.","TYPE":"DEVELOPER_ERROR"}

I installed the plugin Postfinance checkout on your website. I think I inserted all the necessary information as requested. When I process a test order I get this error message. Can you please help me solve this issue? Thank you in advance

Ok I will check this and revert. Thank you for the reply

It was indeed a question of rights.

I appreciate your help

i am getting this error while testing the post finance checkout api

date:
'2024-04-04T09:21:34.405Z'
defaultMessage:
'The request was declined because authentication failed.'
id:
'6N4E5xLwkrFksvqbLfJSreiNuTVXNkFJ2zQjo66VF4c (2024-04-04T09:21:34.405Z)'
message:
'The request was declined because authentication failed.'
type:
'DEVELOPER_ERROR'

can you please look into it
thank you