or sess</code></p><p>A null terminated string describing the most recent error to happen to a group session</p></dd></dl><dl><dt class="spec value" id="val-clear_inbound_group_session"><a href="#val-clear_inbound_group_session" class="anchor"></a><code><span class="keyword">val</span> clear_inbound_group_session : <span><a href="../Types/InboundGroupSession/index.html#type-t">Types.InboundGroupSession.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</span> Unsigned.size_t</code></dt><dd><p><code>clear_inbound