[phenixbb] polygon Error.

[Yuri]

Hello everyone,
Keep getting an error when I try to run polygon to validate my model.
Here is what i get:


RuntimeError : lbfgs error: Line search failed: The step is at the 
lower bound stpmin().
Traceback:
   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/libtbx/thread_utils.py", 
line 223, in run
     return_value = self._target(self._args, self._kwargs, self._c)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/libtbx/runtime_utils.py", 
line 58, in __call__
     result = self.target()

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/phenix/phenix/validation/analyze_all.py", 
line 358, in __call__
     result = validation_result(params, tmp_dir)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/phenix/phenix/validation/analyze_all.py", 
line 139, in __init__
     return_fmodel_and_pdb=True)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/mmtbx/model_vs_data.py", 
line 806, in run
     mvd_obj.collect(model_vs_data = show_model_vs_data(fmodel))

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/mmtbx/model_vs_data.py", 
line 556, in show_model_vs_data
     sigmaa_plot = fmodel.sigmaa().show_short(silent=True)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/mmtbx/f_model.py", 
line 1464, in sigmaa
     use_sampling_sum_weights      = p.use_sampling_sum_weights)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/mmtbx/scaling/sigmaa_estimation.py", 
line 191, in __init__
     w_obs=w_obs)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/scitbx/math/chebyshev_lsq_fit.py", 
line 72, in __init__
     self.minimizer = lbfgs.run(target_evaluator=self)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/scitbx/lbfgs/__init__.py", 
line 258, in run
     log)

   File 
"/home/local/UFAD/yuri.pompeu/Desktop/PHENIX_installation/phenix-1.7.1-743/cctbx_project/scitbx/lbfgs/__init__.py", 
line 143, in run_c_plus_plus
     if (minimizer.run(x, f, g)): continue


Thank you

-- 
Yuri Pompeu