I get the following error only in 1.7.1-743 but not in 1.7_650. Any idea? Thanks, Daniel ******************************************************************************* ERROR: Unused parameter definitions: refinement.main.compute_optimal_errors (file "P1_refine_rigid.eff", line 257) refinement.pdb_interpretation.peptide_link.use_finite_differences (file "P1_refine_rigid.eff", line 514) refinement.secondary_structure.h_bond_restraints.substitute_n_for_h (file "P1_refine_rigid.eff", line 977) refinement.secondary_structure.h_bond_restraints.restrain_initial_values (file "P1_refine_rigid.eff", line 983) refinement.secondary_structure.h_bond_restraints.sigma (file "P1_refine_rigid.eff", line 984) refinement.secondary_structure.h_bond_restraints.slack (file "P1_refine_rigid.eff", line 985) refinement.secondary_structure.h_bond_restraints.h_o_distance_ideal (file "P1_refine_rigid.eff", line 986) refinement.secondary_structure.h_bond_restraints.h_o_distance_max (file "P1_refine_rigid.eff", line 987) refinement.secondary_structure.h_bond_restraints.n_o_distance_ideal (file "P1_refine_rigid.eff", line 988) refinement.secondary_structure.h_bond_restraints.n_o_distance_max (file "P1_refine_rigid.eff", line 989) ******************************************************************************* Sorry: Unused parameter definitions: Please check the input file(s) for spelling errors and obsolete parameter definitions. To disable this error message, add --unused_ok to the command line arguments.