Error flashing the sketch:Internal Server Error

Hi,

Out of no where after adding 3 of totally not important lines of code my ota stopped working on arduino r4 wifi

Sketch uses 129808 bytes (49%) of program storage space. Maximum is 262144 bytes.
Global variables use 13256 bytes (40%) of dynamic memory, leaving 19512 bytes for local variables. Maximum is 32768 bytes.
"C:\Users\Admin\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0/bin/arduinoOTA" -address "192.168.0.4" -port 65280 -t 60 -username arduino -password "password" -sketch "C:\Users\Admin\AppData\Local\Temp\arduino\sketches\DD16C687089DB18FF880A3DFD9A11392/arduino-curtains-wifi.ino.bin" -upload /sketch -b
Connecting to board ...  done
Uploading sketch ...  done
Flashing sketch ...  done
Error flashing the sketch:Internal Server Error
Failed uploading: uploading error: exit status 1

void setup() {
  Serial.begin(9600);
  ...
  connectToWifi();

  ArduinoOTA.begin(WiFi.localIP(), "arduino", "password", InternalStorage);
  encoderSetup();
}

void loop() {
  ArduinoOTA.poll();
...
}

JAndrassy / ArduinoOTA

Error flashing the sketch:Internal Server Error #249