A successful HTTP response whose body was missing or structurally invalid required data.
:field_path names the first offending field, such as "answers.tone.confidence".
:field_path
"answers.tone.confidence"
@type t() :: %TypeSafe.ResponseValidationError{ __exception__: term(), body: term(), endpoint: String.t() | nil, field_path: String.t(), headers: %{optional(String.t()) => String.t()}, message: String.t(), request_id: String.t() | nil, status: pos_integer() }