diff --git a/applications/utilities/postProcessing/postProcess/postProcess.C b/applications/utilities/postProcessing/postProcess/postProcess.C
index a557dbe14a..24127e7e32 100644
--- a/applications/utilities/postProcessing/postProcess/postProcess.C
+++ b/applications/utilities/postProcessing/postProcess/postProcess.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2016-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2016-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -148,7 +148,10 @@ int main(int argc, char *argv[])
 
     if (args.optionFound("list"))
     {
-        functionObjectList::list();
+        Info<< nl
+            << "Available configured functionObjects:"
+            << functionObjectList::list()
+            << endl;
         return 0;
     }
 
diff --git a/src/OpenFOAM/db/functionObjects/functionObject/functionObject.C b/src/OpenFOAM/db/functionObjects/functionObject/functionObject.C
index 8878dc618e..7529abd0c5 100644
--- a/src/OpenFOAM/db/functionObjects/functionObject/functionObject.C
+++ b/src/OpenFOAM/db/functionObjects/functionObject/functionObject.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -89,7 +89,7 @@ Foam::autoPtr<Foam::functionObject> Foam::functionObject::New
         FatalErrorInFunction
             << "Unknown function type "
             << functionType << nl << nl
-            << "Table of functionObjects is empty" << endl
+            << "Table of functionObjects is empty"
             << exit(FatalError);
     }
 
@@ -102,7 +102,7 @@ Foam::autoPtr<Foam::functionObject> Foam::functionObject::New
             << "Unknown function type "
             << functionType << nl << nl
             << "Valid functions are : " << nl
-            << dictionaryConstructorTablePtr_->sortedToc() << endl
+            << dictionaryConstructorTablePtr_->sortedToc()
             << exit(FatalError);
     }
 
diff --git a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
index 2687448290..dd94984cac 100644
--- a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
+++ b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -99,7 +99,7 @@ void Foam::functionObjectList::listDir
 }
 
 
-void Foam::functionObjectList::list()
+Foam::wordList Foam::functionObjectList::list()
 {
     HashSet<word> foMap;
 
@@ -110,10 +110,7 @@ void Foam::functionObjectList::list()
         listDir(etcDirs[ed], foMap);
     }
 
-    Info<< nl
-        << "Available configured functionObjects:"
-        << foMap.sortedToc()
-        << nl;
+    return foMap.sortedToc();
 }
 
 
@@ -250,8 +247,12 @@ bool Foam::functionObjectList::readFunctionObject
 
     if (path == fileName::null)
     {
-        WarningInFunction
-            << "Cannot find functionObject file " << funcType << endl;
+        FatalIOErrorInFunction(functionsDict)
+            << "Cannot find functionObject configuration file "
+            << funcType << nl << nl
+            << "Available configured functionObjects:"
+            << list()
+            << exit(FatalIOError);
         return false;
     }
 
@@ -759,7 +760,7 @@ bool Foam::functionObjectList::read()
             }
 
             const dictionary& dict = iter().dict();
-            bool enabled = dict.lookupOrDefault("enabled", true);
+            const bool enabled = dict.lookupOrDefault("enabled", true);
 
             newDigs[nFunc] = dict.digest();
 
@@ -788,38 +789,21 @@ bool Foam::functionObjectList::read()
             {
                 autoPtr<functionObject> foPtr;
 
-                FatalError.throwExceptions();
-                FatalIOError.throwExceptions();
-                try
+                if
+                (
+                    dict.found("writeControl")
+                 || dict.found("outputControl")
+                )
                 {
-                    if
+                    foPtr.set
                     (
-                        dict.found("writeControl")
-                     || dict.found("outputControl")
-                    )
-                    {
-                        foPtr.set
-                        (
-                            new functionObjects::timeControl(key, time_, dict)
-                        );
-                    }
-                    else
-                    {
-                        foPtr = functionObject::New(key, time_, dict);
-                    }
+                        new functionObjects::timeControl(key, time_, dict)
+                    );
                 }
-                catch (Foam::IOerror& ioErr)
+                else
                 {
-                    Info<< ioErr << nl << endl;
-                    ::exit(1);
+                    foPtr = functionObject::New(key, time_, dict);
                 }
-                catch (Foam::error& err)
-                {
-                    WarningInFunction
-                        << "Caught FatalError " << err << nl << endl;
-                }
-                FatalError.dontThrowExceptions();
-                FatalIOError.dontThrowExceptions();
 
                 if (foPtr.valid())
                 {
diff --git a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
index 7308e5c678..34f6e7d994 100644
--- a/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
+++ b/src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -174,7 +174,7 @@ public:
         //- Find the ID of a given function object by name
         label findObjectID(const word& name) const;
 
-        //- Print a list of functionObject configuration files in
+        //- Return the list of functionObject configuration files in
         //  user/group/shipped directories.
         //  The search scheme allows for version-specific and
         //  version-independent files using the following hierarchy:
@@ -190,7 +190,7 @@ public:
         //    - $WM_PROJECT_INST_DIR/site/etc/caseDicts/postProcessing
         //  - \b other (shipped) settings:
         //    - $WM_PROJECT_DIR/etc/caseDicts/postProcessing
-        static void list();
+        static wordList list();
 
         //- Search for functionObject dictionary file for given region
         //  and if not present also search the case directory as well as the
diff --git a/src/OpenFOAM/db/functionObjects/functionObjectList/postProcess.H b/src/OpenFOAM/db/functionObjects/functionObjectList/postProcess.H
index 325bf381dc..f13caaad1a 100644
--- a/src/OpenFOAM/db/functionObjects/functionObjectList/postProcess.H
+++ b/src/OpenFOAM/db/functionObjects/functionObjectList/postProcess.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2016-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2016-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -76,7 +76,10 @@ if (argList::postProcess(argc, argv))
 
     if (args.optionFound("list"))
     {
-        functionObjectList::list();
+        Info<< nl
+            << "Available configured functionObjects:"
+            << functionObjectList::list()
+            << endl;
         return 0;
     }