The code field is REQUIRED with request parameter suppress_response_codes but it SHOULD be omitted with PAIA auth requests to not confuse OAuth clients.
I understand:
The code field is REQUIRED with request parameter suppress_response_codes in PAIA core. It SHOULD be omitted with PAIA auth requests to not confuse OAuth clients.
The following phrase in 2.4 Error Response is hard to understand:
I understand: