ID:209031 Device chain in Chain Description File does not match physical device chain -- expected <number> device(s) but found <number> device(s).

CAUSE: You added Chain Description File (.cdf). However, either the length of the device chain does not match the length of the physical device chain, the board is not powered on, or the programming hardware is not connected.

ACTION: Make sure the board is powered on and programming hardware is connected properly. Then, add or remove devices and/or programming files from the device chain, or add or remove devices from the physical device chain.