Updated format of preconditioner in dictionary. Henrik Rusche

src/coupledMatrix/coupledLduSolver/bicgSolver/coupledBicgSolver.C

@@ -74,7 +74,7 @@ Foam::coupledBicgSolver::coupledBicgSolver
             bouCoeffs,
             intCoeffs,
             interfaces,
-            dict().subDict("preconditioner")
+            dict()
         )
     )
 {}

src/coupledMatrix/coupledLduSolver/bicgStabSolver/coupledBicgStabSolver.C

@@ -76,7 +76,7 @@ Foam::coupledBicgStabSolver::coupledBicgStabSolver
             bouCoeffs,
             intCoeffs,
             interfaces,
-            dict().subDict("preconditioner")
+            dict()
         )
     )
 {}

src/coupledMatrix/coupledLduSolver/cgSolver/coupledCgSolver.C

@@ -74,7 +74,7 @@ Foam::coupledCgSolver::coupledCgSolver
             bouCoeffs,
             intCoeffs,
             interfaces,
-            dict().subDict("preconditioner")
+            dict()
         )
     )
 {}