Error with example "ESP8266HelloWorld" serial_node.py
I just follow the example and this error show up. I have no idea how to fix it. I'm using a nodemcu and ros kinect in a virtual machine.
mad@DESKTOP-95U1DO7:~$ rosrun rosserial_python serial_node.py tcp
[INFO] [1600112850.133909]: ROS Serial Python Node
Fork_server is: False
[INFO] [1600112850.145526]: Waiting for socket connections on port 11411
waiting for socket connection
[INFO] [1600112851.124683]: Established a socket connection from 192.168.18.19 on port 55518 [INFO] [1600112851.125990]: calling startSerialClient
[ERROR] [1600112854.160820]: Creation of publisher failed: unknown error handler name 'rosmsg'
[ERROR] [1600112856.140622]: Tried to publish before configured, topic id 125 [ERROR] [1600112856.162316]: Creation of publisher failed: unknown error handler name 'rosmsg'
