Open zqNiu opened 1 year ago
When I tried to run Path Planning for a Simple Car, it failed. I received that massage.
ValueError Traceback (most recent call last) Input In [2], in <cell line: 76>() 74 # transform and solve 75 TransformationFactory('dae.finite_difference').apply_to(m, wrt=m.t, nfe=30) ---> 76 SolverFactory('ipopt').solve(m).write()
File D:\python_procedure\lib\site-packages\pyomo\opt\base\solvers.py:627, in OptSolver.solve(self, *args, **kwds) 625 else: 626 if self._load_solutions: --> 627 _model.solutions.load_from( 628 result, 629 select=self._select_index, 630 default_variable_value=self._default_variable_value) 631 result._smap_id = None 632 result.solution.clear()
File C:\python_procedure\lib\site-packages\pyomo\core\base\PyomoModel.py:226, in ModelSolutions.load_from(self, results, allow_consistent_values_for_fixed_vars, comparison_tolerance_for_fixed_vars, ignore_invalid_labels, id, delete_symbol_map, clear, default_variable_value, select, ignore_fixed_vars) 222 logger.warning( 223 "Loading a SolverResults object with " 224 "an 'aborted' status, but containing a solution") 225 else: --> 226 raise ValueError("Cannot load a SolverResults object " 227 "with bad status: %s" 228 % str(results.solver.status)) 229 if clear: 230 # 231 # Clear the solutions, but not the symbol map 232 # 233 self.clear(clear_symbol_maps=False)
ValueError: Cannot load a SolverResults object with bad status: error
When I tried to run Path Planning for a Simple Car, it failed. I received that massage.
ValueError Traceback (most recent call last) Input In [2], in <cell line: 76>() 74 # transform and solve 75 TransformationFactory('dae.finite_difference').apply_to(m, wrt=m.t, nfe=30) ---> 76 SolverFactory('ipopt').solve(m).write()
File D:\python_procedure\lib\site-packages\pyomo\opt\base\solvers.py:627, in OptSolver.solve(self, *args, **kwds) 625 else: 626 if self._load_solutions: --> 627 _model.solutions.load_from( 628 result, 629 select=self._select_index, 630 default_variable_value=self._default_variable_value) 631 result._smap_id = None 632 result.solution.clear()
File C:\python_procedure\lib\site-packages\pyomo\core\base\PyomoModel.py:226, in ModelSolutions.load_from(self, results, allow_consistent_values_for_fixed_vars, comparison_tolerance_for_fixed_vars, ignore_invalid_labels, id, delete_symbol_map, clear, default_variable_value, select, ignore_fixed_vars) 222 logger.warning( 223 "Loading a SolverResults object with " 224 "an 'aborted' status, but containing a solution") 225 else: --> 226 raise ValueError("Cannot load a SolverResults object " 227 "with bad status: %s" 228 % str(results.solver.status)) 229 if clear: 230 # 231 # Clear the solutions, but not the symbol map 232 # 233 self.clear(clear_symbol_maps=False)
ValueError: Cannot load a SolverResults object with bad status: error