refs #23031 added errors to convertfitfunc

Framework/Muon/src/ConvertFitFunctionForMuonTFAsymmetry.cpp

@@ -249,21 +249,21 @@ IFunction_sptr ConvertFitFunctionForMuonTFAsymmetry::extractUserFunction(
   // N(1+g) + exp
   auto TFFunc = boost::dynamic_pointer_cast<CompositeFunction>(TFFuncIn);
   if (TFFunc == nullptr) {
-	  std::runtime_error("Input function is not of the correct form");
+	  throw std::runtime_error("Input function is not of the correct form");
   }
   // getFunction(0) -> N(1+g)
 
   TFFunc =
       boost::dynamic_pointer_cast<CompositeFunction>(TFFunc->getFunction(0));
   if (TFFunc == nullptr) {
-	  std::runtime_error("Input function is not of the correct form");
+	  throw std::runtime_error("Input function is not of the correct form");
   }
   // getFunction(1) -> 1+g
 
   TFFunc =
       boost::dynamic_pointer_cast<CompositeFunction>(TFFunc->getFunction(1));
   if (TFFunc == nullptr) {
-	  std::runtime_error("Input function is not of the correct form");
+	  throw std::runtime_error("Input function is not of the correct form");
   }
   // getFunction(1) -> g
   return TFFunc->getFunction(1);