--- OS-2.10.2/src/OSSolverInterfaces/OSCoinSolver.cpp.orig	2017-12-08 06:52:50.000000000 -0700
+++ OS-2.10.2/src/OSSolverInterfaces/OSCoinSolver.cpp	2019-06-24 14:15:02.364623753 -0600
@@ -1238,7 +1238,7 @@ void CoinSolver::solve() throw (ErrorCla
             }
         }
 
-        catch(CoinError e)
+        catch(CoinError& e)
         {
             std::string errmsg;
             errmsg = "Coin Solver Error: " + e.message() + "\n" + " see method "