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What model(s) of servo are you using?
XL430-W250 and 2XL430-W250 (Robotis Engineer Kit - MAXE2)
Describe your control environment. Include the controller or interface, operating system (and version #) of your computer, and how you are powering your robot.
Software: Windows 10, Matlab, Dynamixel SDK.
Hardware: U2D2 connected to an ankle servo for servo controlling, USB cable to the CM550 for accessing to CM550 registers (because the U2D2 network did not detect it) and power adapter connected to CM550.
I tried to implement sync reading and writing to my current project (which already works with normal reading and writing commands) but when tried to follow the sync_read_write.m example (either from the website or directly from the SDK folder) the error of the title appears: