Wire.begin();
Wire.beginTransmission(0x00);
Wire.send('o');
Wire.endTransmission();
Wire.begin();
Wire.beginTransmission(0x00);
Wire.send('f');
Wire.send(128);
Wire.endTransmission();
Wire.beginTransmission(0x00);
Wire.send('t');
Wire.send(0);
Wire.endTransmission();
There should only be one Wire.begin() call in the sketch.