     );
 
     OscWiFi.subscribe(recv_port, "/lambda/msg",
-        [](OscMessage& m)
+        [](const OscMessage& m)
         {
             Serial.print(m.remoteIP()); Serial.print(" ");
             Serial.print(m.remotePort()); Serial.print(" ");

    OscWiFi.subscribe(bind_port, "/bind/values", i, f, s);

    OscWiFi.subscribe(bind_port, "/lambda/bind/args",
        [&](int& i, float& f, String& s)
        {
            Serial.print("/lambda/bind/args ");
            Serial.print(i); Serial.print(" ");

float f;
String s;

void onOscReceived(const OscMessage& m)
{
    Serial.print(m.remoteIP()); Serial.print(" ");
    Serial.print(m.remotePort()); Serial.print(" ");
