functionObjectList: Added error message for functionObject configuration file name not specified

token: Changed parseError to use cerr rather than FatalIOError so that it can
report errors when reading debug switches from the case controlDict at start-up.

src/OpenFOAM/db/IOstreams/token/token.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) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -42,9 +42,8 @@ namespace Foam
 
 void Foam::token::parseError(const char* expected) const
 {
-    FatalIOError
-        << "Parse error, expected a " << expected
-        << ", found \n    " << info() << endl;
+    cerr<< "Parse error, expected a " << expected
+        << ", found \n    " << info() << std::endl;
 }
 
 

src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.C

@@ -246,12 +246,25 @@ bool Foam::functionObjectList::readFunctionObject
 
     if (path == fileName::null)
     {
-        FatalIOErrorInFunction(functionsDict)
-            << "Cannot find functionObject configuration file "
-            << funcType << nl << nl
-            << "Available configured functionObjects:"
-            << list()
-            << exit(FatalIOError);
+        if (funcType == word::null)
+        {
+            FatalIOErrorInFunction(functionsDict)
+                << "functionObject configuration file name not specified"
+                << nl << nl
+                << "Available configured functionObjects:"
+                << list()
+                << exit(FatalIOError);
+        }
+        else
+        {
+            FatalIOErrorInFunction(functionsDict)
+                << "Cannot find functionObject configuration file "
+                << funcType << nl << nl
+                << "Available configured functionObjects:"
+                << list()
+                << exit(FatalIOError);
+        }
+
         return false;
     }