Pardot v4 integration not sending `Pardot-Business-Unit-Id` header with authorization request.

[tylerfowle]

What happened?

after trying to authorize Pardot CRM integration I receive the following error

Errors and Stack Trace (if available)

{"@attributes":{"stat":"fail","version":1,"err_code":181},"err":"A required header is missing: Pardot-Business-Unit-Id header not found on request."}

How can we reproduce this?

1. Freeform > Settings > CRM > New Integration 1.a) setup integration in salesforce

• disable PKCE
• scopes: (api, web, chatter_api, refresh_token, offline_access, pardot_api)

2. Select "Pardot v4" from dropdown - enter business unit id, client id, client secret
3. click save, approve oauth, return to /integrations/crm with "not able to authorize" error

Freeform Edition

Pro

Freeform Version

5.5.7

Craft Version

4.9.7

When did this issue start?

No response

Previous Freeform Version

No response