This OID carries the numeric error code returned by a remote invocation that the FSM for this controlled type made to another endpoint (for example a peer fabric interconnect or an endpoint being configured). A non-zero value here tells the admin that the controlled type's configuration workflow failed partway through because a remote call it depended on returned an error, rather than failing locally. For example, seeing a nonzero cucsPolicyControlledTypeFsmRmtInvErrCode alongside a stalled fsmProgr for the same controlled type points the admin toward a remote-side failure as the root cause.