diff --git a/src/OpenFOAM/db/error/IOerror.C b/src/OpenFOAM/db/error/IOerror.C
index 82274a0a6c..8cfd08bd85 100644
--- a/src/OpenFOAM/db/error/IOerror.C
+++ b/src/OpenFOAM/db/error/IOerror.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -41,15 +41,6 @@ Foam::IOerror::IOerror(const string& title)
 {}
 
 
-Foam::IOerror::IOerror(const dictionary& errDict)
-:
-    error(errDict),
-    ioFileName_(errDict.lookup("ioFileName")),
-    ioStartLineNumber_(errDict.lookup<label>("ioStartLineNumber")),
-    ioEndLineNumber_(errDict.lookup<label>("ioEndLineNumber"))
-{}
-
-
 Foam::IOerror::~IOerror() throw()
 {}
 
@@ -65,6 +56,7 @@ Foam::OSstream& Foam::IOerror::operator()
 )
 {
     error::operator()(functionName, sourceFileName, sourceFileLineNumber);
+
     ioFileName_ = ioFileName;
     ioStartLineNumber_ = ioStartLineNumber;
     ioEndLineNumber_ = ioEndLineNumber;
diff --git a/src/OpenFOAM/db/error/error.C b/src/OpenFOAM/db/error/error.C
index 4efbe987a6..d9d3ffc2e9 100644
--- a/src/OpenFOAM/db/error/error.C
+++ b/src/OpenFOAM/db/error/error.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -54,43 +54,6 @@ Foam::error::error(const string& title)
 }
 
 
-Foam::error::error(const dictionary& errDict)
-:
-    std::exception(),
-    messageStream(errDict),
-    functionName_(errDict.lookup("functionName")),
-    sourceFileName_(errDict.lookup("sourceFileName")),
-    sourceFileLineNumber_(errDict.lookup<label>("sourceFileLineNumber")),
-    abort_(env("FOAM_ABORT")),
-    throwExceptions_(false),
-    messageStreamPtr_(new OStringStream())
-{
-    if (!messageStreamPtr_->good())
-    {
-        Perr<< endl
-            << "error::error(const dictionary& errDict) : "
-               "cannot open error stream"
-            << endl;
-        exit(1);
-    }
-}
-
-
-Foam::error::error(const error& err)
-:
-    std::exception(),
-    messageStream(err),
-    functionName_(err.functionName_),
-    sourceFileName_(err.sourceFileName_),
-    sourceFileLineNumber_(err.sourceFileLineNumber_),
-    abort_(err.abort_),
-    throwExceptions_(err.throwExceptions_),
-    messageStreamPtr_(new OStringStream(*err.messageStreamPtr_))
-{
-    //*messageStreamPtr_ << err.message();
-}
-
-
 Foam::error::~error() throw()
 {
     delete messageStreamPtr_;
@@ -128,7 +91,7 @@ Foam::OSstream& Foam::error::operator()
 }
 
 
-Foam::error::operator Foam::OSstream&()
+Foam::OSstream& Foam::error::operator()()
 {
     if (!messageStreamPtr_->good())
     {
diff --git a/src/OpenFOAM/db/error/error.H b/src/OpenFOAM/db/error/error.H
index 88970770f5..d2c957a63f 100644
--- a/src/OpenFOAM/db/error/error.H
+++ b/src/OpenFOAM/db/error/error.H
@@ -90,12 +90,6 @@ public:
         //- Construct from title string
         error(const string& title);
 
-        //- Construct from dictionary
-        error(const dictionary&);
-
-        //- Copy constructor
-        error(const error&);
-
 
     //- Destructor
     virtual ~error() throw();
@@ -148,20 +142,18 @@ public:
             const int sourceFileLineNumber = 0
         );
 
-        //- Convert to OSstream
-        //  Prints basic message and returns OSstream for further info.
-        operator OSstream&();
-
         //- Explicitly convert to OSstream for << operations
-        OSstream& operator()()
+        OSstream& operator()();
+
+        //- Convert to OSstream for << operations
+        operator OSstream&()
         {
-            return operator OSstream&();
+            return this->operator()();
         }
 
         //- Create and return a dictionary
         operator dictionary() const;
 
-
         //- Helper function to print a stack (if OpenFOAM IO not yet
         //  initialised)
         static void safePrintStack(std::ostream&);
@@ -212,9 +204,6 @@ public:
         //- Construct from title string
         IOerror(const string& title);
 
-        //- Construct from dictionary
-        IOerror(const dictionary&);
-
 
     //- Destructor
     virtual ~IOerror() throw();
@@ -283,7 +272,6 @@ public:
         //- Create and return a dictionary
         operator dictionary() const;
 
-
         //- Exit : can be called for any error to exit program
         void exit(const int errNo = 1);
 
diff --git a/src/OpenFOAM/db/error/messageStream.C b/src/OpenFOAM/db/error/messageStream.C
index d11f52c3f8..f619b324b0 100644
--- a/src/OpenFOAM/db/error/messageStream.C
+++ b/src/OpenFOAM/db/error/messageStream.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -36,7 +36,7 @@ int Foam::messageStream::level(Foam::debug::debugSwitch("level", 2));
 Foam::messageStream::messageStream
 (
     const string& title,
-    errorSeverity sev,
+    const errorSeverity sev,
     const int maxErrors
 )
 :
@@ -47,35 +47,6 @@ Foam::messageStream::messageStream
 {}
 
 
-Foam::messageStream::messageStream(const dictionary& dict)
-:
-    title_(dict.lookup("title")),
-    severity_(FATAL),
-    maxErrors_(0),
-    errorCount_(0)
-{}
-
-
-Foam::OSstream& Foam::messageStream::masterStream(const label communicator)
-{
-    if (UPstream::warnComm != -1 && communicator != UPstream::warnComm)
-    {
-        Pout<< "** messageStream with comm:" << communicator
-            << endl;
-        error::printStack(Pout);
-    }
-
-    if (communicator == UPstream::worldComm || UPstream::master(communicator))
-    {
-        return operator()();
-    }
-    else
-    {
-        return Snull;
-    }
-}
-
-
 Foam::OSstream& Foam::messageStream::operator()
 (
     const char* functionName,
@@ -185,14 +156,35 @@ Foam::OSstream& Foam::messageStream::operator()
 }
 
 
-Foam::messageStream::operator Foam::OSstream&()
+Foam::OSstream& Foam::messageStream::operator()(label communicator)
 {
+    if (communicator != -1)
+    {
+        if (UPstream::warnComm != -1 && communicator != UPstream::warnComm)
+        {
+            Pout<< "** messageStream with comm:" << communicator
+                << endl;
+            error::printStack(Pout);
+        }
+    }
+    else
+    {
+        communicator = UPstream::worldComm;
+    }
+
     if (level)
     {
-        bool collect = (severity_ == INFO || severity_ == WARNING);
+        const bool master = Pstream::master(communicator);
 
-        // Report the error
-        if (!Pstream::master() && collect)
+        const bool collect = severity_ == INFO || severity_ == WARNING;
+
+        const bool prefix =
+            (Pstream::parRun() && !collect)
+         || communicator != UPstream::worldComm;
+
+        OSstream& os = prefix ? Pout : Sout;
+
+        if (!master && collect)
         {
             return Snull;
         }
@@ -200,14 +192,7 @@ Foam::messageStream::operator Foam::OSstream&()
         {
             if (title().size())
             {
-                if (Pstream::parRun() && !collect)
-                {
-                    Pout<< title().c_str();
-                }
-                else
-                {
-                    Sout<< title().c_str();
-                }
+                os << title().c_str();
             }
 
             if (maxErrors_)
@@ -222,14 +207,7 @@ Foam::messageStream::operator Foam::OSstream&()
                 }
             }
 
-            if (Pstream::parRun() && !collect)
-            {
-                return Pout;
-            }
-            else
-            {
-                return Sout;
-            }
+            return os;
         }
     }
 
diff --git a/src/OpenFOAM/db/error/messageStream.H b/src/OpenFOAM/db/error/messageStream.H
index c41506b715..3d6866ea06 100644
--- a/src/OpenFOAM/db/error/messageStream.H
+++ b/src/OpenFOAM/db/error/messageStream.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -104,15 +104,11 @@ public:
         messageStream
         (
             const string& title,
-            errorSeverity,
+            const errorSeverity,
             const int maxErrors = 0
         );
 
 
-        //- Construct from dictionary
-        messageStream(const dictionary&);
-
-
     // Member Functions
 
         //- Return the title of this error type
@@ -134,11 +130,6 @@ public:
             return maxErrors_;
         }
 
-        //- Convert to OSstream
-        //  Prints to Pout for the master stream
-        OSstream& masterStream(const label communicator);
-
-
         //- Convert to OSstream
         //  Prints basic message and returns OSstream for further info.
         OSstream& operator()
@@ -189,13 +180,13 @@ public:
             const dictionary&
         );
 
-        //- Convert to OSstream for << operations
-        operator OSstream&();
-
         //- Explicitly convert to OSstream for << operations
-        OSstream& operator()()
+        OSstream& operator()(const label communicator = -1);
+
+        //- Convert to OSstream for << operations
+        operator OSstream&()
         {
-            return operator OSstream&();
+            return this->operator()();
         }
 };
 
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverSolve.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverSolve.C
index 9cb6cc6c6a..03de14696c 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverSolve.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverSolve.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -131,7 +131,7 @@ Foam::solverPerformance Foam::GAMGSolver::solve
 
             if (debug >= 2)
             {
-                solverPerf.print(Info.masterStream(matrix().mesh().comm()));
+                solverPerf.print(Info(matrix().mesh().comm()));
             }
         } while
         (
@@ -654,7 +654,7 @@ void Foam::GAMGSolver::solveCoarsestLevel
     //
     //    if (debug >= 2)
     //    {
-    //        coarseSolverPerf.print(Info.masterStream(coarseComm));
+    //        coarseSolverPerf.print(Info(coarseComm));
     //    }
     //
     //    Pout<< "procAgglom: coarsestSource   :" << coarsestSource << endl;
@@ -700,7 +700,7 @@ void Foam::GAMGSolver::solveCoarsestLevel
 
         if (debug >= 2)
         {
-            coarseSolverPerf.print(Info.masterStream(coarseComm));
+            coarseSolverPerf.print(Info(coarseComm));
         }
     }
 }
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/smoothSolver/smoothSolver.C b/src/OpenFOAM/matrices/lduMatrix/solvers/smoothSolver/smoothSolver.C
index 7f2ad41ba5..c1e41aed9f 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/smoothSolver/smoothSolver.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/smoothSolver/smoothSolver.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -132,7 +132,7 @@ Foam::solverPerformance Foam::smoothSolver::solve
 
         if (lduMatrix::debug >= 2)
         {
-            Info.masterStream(matrix().mesh().comm())
+            Info(matrix().mesh().comm())
                 << "   Normalisation factor = " << normFactor << endl;
         }
 
diff --git a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
index 264f968eb8..395f5074c2 100644
--- a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
+++ b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -61,7 +61,7 @@ Foam::SolverPerformance<Type> Foam::fvMatrix<Type>::solve
 {
     if (debug)
     {
-        Info.masterStream(this->mesh().comm())
+        Info(this->mesh().comm())
             << "fvMatrix<Type>::solve(const dictionary& solverControls) : "
                "solving fvMatrix<Type>"
             << endl;
@@ -108,7 +108,7 @@ Foam::SolverPerformance<Type> Foam::fvMatrix<Type>::solveSegregated
 {
     if (debug)
     {
-        Info.masterStream(this->mesh().comm())
+        Info(this->mesh().comm())
             << "fvMatrix<Type>::solveSegregated"
                "(const dictionary& solverControls) : "
                "solving fvMatrix<Type>"
@@ -198,7 +198,7 @@ Foam::SolverPerformance<Type> Foam::fvMatrix<Type>::solveSegregated
 
         if (SolverPerformance<Type>::debug)
         {
-            solverPerf.print(Info.masterStream(this->mesh().comm()));
+            solverPerf.print(Info(this->mesh().comm()));
         }
 
         solverPerfVec.replace(cmpt, solverPerf);
@@ -224,7 +224,7 @@ Foam::SolverPerformance<Type> Foam::fvMatrix<Type>::solveCoupled
 {
     if (debug)
     {
-        Info.masterStream(this->mesh().comm())
+        Info(this->mesh().comm())
             << "fvMatrix<Type>::solveCoupled"
                "(const dictionary& solverControls) : "
                "solving fvMatrix<Type>"
@@ -265,7 +265,7 @@ Foam::SolverPerformance<Type> Foam::fvMatrix<Type>::solveCoupled
 
     if (SolverPerformance<Type>::debug)
     {
-        solverPerf.print(Info.masterStream(this->mesh().comm()));
+        solverPerf.print(Info(this->mesh().comm()));
     }
 
     psi.correctBoundaryConditions();
diff --git a/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C b/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
index 079f18e771..4acf18eb14 100644
--- a/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
+++ b/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -62,7 +62,7 @@ Foam::fvMatrix<Foam::scalar>::solver
 {
     if (debug)
     {
-        Info.masterStream(this->mesh().comm())
+        Info(this->mesh().comm())
             << "fvMatrix<scalar>::solver(const dictionary& solverControls) : "
                "solver for fvMatrix<scalar>"
             << endl;
@@ -121,7 +121,7 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::fvSolver::solve
 
     if (solverPerformance::debug)
     {
-        solverPerf.print(Info.masterStream(fvMat_.mesh().comm()));
+        solverPerf.print(Info(fvMat_.mesh().comm()));
     }
 
     fvMat_.diag() = saveDiag;
@@ -142,7 +142,7 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::solveSegregated
 {
     if (debug)
     {
-        Info.masterStream(this->mesh().comm())
+        Info(this->mesh().comm())
             << "fvMatrix<scalar>::solveSegregated"
                "(const dictionary& solverControls) : "
                "solving fvMatrix<scalar>"
@@ -171,7 +171,7 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::solveSegregated
 
     if (solverPerformance::debug)
     {
-        solverPerf.print(Info.masterStream(mesh().comm()));
+        solverPerf.print(Info(mesh().comm()));
     }
 
     diag() = saveDiag;