improved error message. (watertap-org/watertap#1412)

* improved error message. * run black.
watertap-org · May 30, 2024 · db7616e · db7616e
1 parent 8370455
commit db7616e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/watertap_solvers/_base.py b/src/watertap_solvers/_base.py
@@ -158,7 +158,9 @@ def _scale_constraints(self, blk):
                     self._cleanup()
                     raise RuntimeError(
                         "Error in AMPL evaluation.\n"
-                        "Run ipopt with halt_on_ampl_error=yes and symbolic_solver_labels=True to see the affected function."
+                        "Re-run ipopt with:\n"
+                        '1. solver options = {"halt_on_ampl_error" : "yes", "nlp_scaling_method" : "gradient-based"\n'
+                        "2. set keyword argument symbolic_solver_labels=True in the pyomo solve function call to see the affected function.\n"
                     )
             else:
                 print("Error in constraint_autoscale_large_jac")