f anyone can tell you how to solve this problem, I will be grateful. I have here is what the arena shell writes when trying to play with stockfish
ERROR: The engine will be terminated now.
ERROR: The USE option Eval File might need to specify the full path, including the directory name, to the network file.
ERROR: The option is set to true, but the network file nn-8a08400ed089. name was not loaded successfully.
ERROR: If the USE option "Use NAME" is set to true, network evaluation parameters compatible with the engine must be available.