Custom Crop

[shahrule]

Hi, I'm creating Custom crop. However, when I tried to run the model, it shows error.

File "C:\Users\azwan\AppData\Local\Programs\Python\Python38\lib\site-packages\aquacrop\core.py", line 285, in run_model
) = self._perform_timestep()
File "C:\Users\azwan\AppData\Local\Programs\Python\Python38\lib\site-packages\aquacrop\core.py", line 331, in _perform_timestep
new_cond, param_struct, outputs = solution_single_time_step(
File "C:\Users\azwan\AppData\Local\Programs\Python\Python38\lib\site-packages\aquacrop\timestep\run_single_timestep.py", line 192, in solution_single_time_step
NewCond.z_root = root_development(
SystemError: exception RuntimeError<class 'ValueError'> not a BaseException subclass

Anyone has similar experience using Custom crop?