From 0176d21ad1ad9d9231808e18f9fd9cad1be5f6cf Mon Sep 17 00:00:00 2001
From: Josep Maria Salvia Hornos <josh.salvia@gmail.com>
Date: Thu, 16 Oct 2025 13:27:54 +0200
Subject: [PATCH] Validate solver solution count before processing

Add validation for the number of solutions returned by the solver.
---
 pulp/apis/scip_api.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pulp/apis/scip_api.py b/pulp/apis/scip_api.py
index abbdb10d..c4b593ac 100644
--- a/pulp/apis/scip_api.py
+++ b/pulp/apis/scip_api.py
@@ -565,6 +565,8 @@ def findSolutionValues(self, lp):
             if solutionStatus in possible_solution_found_statuses:
                 try:  # Feasible solution found
                     solution = lp.solverModel.getBestSol()
+                    if lp.solverModel.getNSols() <= 0:
+                        raise ValueError('Returned solution by solver cannot be trusted')
                     for variable in lp._variables:
                         variable.varValue = solution[variable.solverVar]
                     for constraint in lp.constraints.values():