I am trying to implement the code grant flow with PKCE. The client ID I have is configured to use PKCE.   The URL accessed:   https://connect.visma.com/connect/authorize?response_type=code&client_id=isv_xxxx&redirect_uri=https%3a%2f%2fclientredirect.invantive.com&scope=offline_access+openid+email+profile+vismanet_erp_interactive_api%3aread+vismanet_erp_interactive_api%3acreate+vismanet_erp_interactive_api%3aupdate+vismanet_erp_interactive_api%3adelete&state=e3921cd26e004becbe128f6dcad0e7f8&code_challenge=4TV6tLurTb6XW9Mz%2fhuuq%2fRczOv72io6MBAY81fupMg%3d&code_challenge_method=S256   The URL return contains the code:   https://redirecturi/?code=xxxxxxxx&scope=profile%20email%20openid%20vismanet_erp_interactive_api%3Aupdate%20vismanet_erp_interactive_api%3Adelete%20vismanet_erp_interactive_api%3Acreate%20vismanet_erp_interactive_api%3Aread%20offline_access&state=e3921cd26e004becbe128f6dcad0e7f8&session_state=zx3gsePRn9gC6uE1QR5KaiG5li-srtDoy4h8PzF_xfQ.554AF07F0EF621597236E09AE707EC55&iss=https%3A%2F%2Fconnect.visma.com   When exchanging the code for an access token returns a HTTP 400 with the body:   ``` {"error":"invalid_grant"} ```   The request contains the `grant_type=authorization_code`, including the `code`, `client_id`, redirect_uri` and `code_verifier` as per the specification (https://docs.connect.visma.com/docs/native-applications).   There is no error code returned, so no way to see more information on the reason of the error.   What can be the cause of this issue? ... View more

We have an user of our app registered under Visma Connect which receives an invalid_tenant error message when exchanging an authorization code for an access token.   The HTTP POST to /connect/token is similar to the one mentioned in this topic: https://community.visma.com/t5/Forum-in-Developers-Visma-net/Error-redeeming-code-invalid-tenant-no-description/m-p/609850 and it is according to the specs. The user is an integration administrator for their company.   What could be the reason for this error message? Any information you need to diagnose the issue? ... View more