OSC send to NodeMCU

I am trying to send some OSC values from Max to Arduino using a NodeMCU (ESP8266). I have partially working. When I send a value to the board I get always the value -1.00.

I am just trying to send a simple toggle (0 - 1)

Why do I get -1.00 instead of 0-1?

the code in Arduino :

#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <OSCBundle.h> // for receiving OSC messages

char ssid[] = "TP-LINK_D44190"; // your network SSID (name)
char pass[] = "67966325"; // your network password

// Button Input + LED Output
const int ledPin = 14; // D5 pin at NodeMCU
const int boardLed = LED_BUILTIN; // Builtin LED

WiFiUDP Udp; // A UDP instance to let us send and receive packets over UDP
const unsigned int localPort = 8000; // local port to listen for UDP packets at the NodeMCU (another device must send OSC messages to this port)
const unsigned int destPort = 9000; // remote port of the target device where the NodeMCU sends OSC to

unsigned int ledState = 1; // LOW means led is *on*

void setup() {
Serial.begin(115200);

// Specify a static IP address for NodeMCU
// If you erase this line, your ESP8266 will get a dynamic IP address
WiFi.config(IPAddress(192,168,0,123),IPAddress(192,168,0,1), IPAddress(255,255,255,0));

// Connect to WiFi network
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, pass);

while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}

Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());

Serial.println("Starting UDP");
Udp.begin(localPort);
Serial.print("Local port: ");
Serial.println(Udp.localPort());

// LED Output
pinMode(boardLed, OUTPUT);
pinMode(ledPin, OUTPUT);
digitalWrite(boardLed, ledState); // turn *off* led
}

void loop() {
OSCMessage msgIN;
int size;
if((size = Udp.parsePacket())>0){
while(size--)
msgIN.fill(Udp.read());
if(!msgIN.hasError()){
msgIN.route("/toggleLED",toggleOnOff);
}
}
}

void toggleOnOff(OSCMessage &msg, int addrOffset){
ledState = (boolean) msg.getFloat(0);

Serial.println(msg.getFloat(0));

digitalWrite(boardLed, (ledState + 1) % 2); // Onboard LED works the wrong direction (1 = 0 bzw. 0 = 1)
digitalWrite(ledPin, ledState); // External LED

if (ledState) {
Serial.println("LED on");
}
else {
Serial.println("LED off");
}
ledState = !ledState; // toggle the state from HIGH to LOW to HIGH to LOW ...
}