Error compiling example #000-arduino-send-telemetry

[ChrSchultz]

While compiling the arduino-send-telemetry scetch in platformio ide of vscode I got this error: Using thingsbord sdk 0.15.0

.pio\libdeps\d1_mini_pro\ThingsBoard\src/ThingsBoard.h: In member function 'bool ThingsBoardSized<MaxResponse, MaxEndpointsAmount, Logger>::Send_Json(const char*, const ArduinoJson::V6215PB2::JsonDocument&, const size_t&)':
.pio\libdeps\d1_mini_pro\ThingsBoard\src/ThingsBoard.h:289:22: error: 'class IMQTT_Client' has no member named 'get_buffer_size'; did you mean 'set_buffer_size'?
  289 |         if (m_client.get_buffer_size() < json_size)  {
      |                      ^~~~~~~~~~~~~~~
      |                      set_buffer_size