Unable to ping Load acting on XL430

currently i am working on hybrid quadruped robot. My setup is Pi 4 and u2d2 running on python script. when i am trying to ping present load on XL430 motor it say addparm failed. can someone help me out.


3
terminal

Thankyou
Rohit Kumar

Hi @Thelegend47
Are you using DYNAMIXEL SDK?
Can you show me the groupBulkRead.addParam() and groupBulkWrite.addParam()?