fix error message closes idaholab#29082

framework/src/utils/FunctionParserUtils.C

@@ -148,11 +148,11 @@ FunctionParserUtils<is_ad>::addFParserConstants(
   unsigned int nconst = constant_expressions.size();
   if (nconst != constant_names.size())
     mooseError("The parameter vectors constant_names (size " +
-               std::to_string(constant_names.size()) + ") and constant_values (size " +
+               std::to_string(constant_names.size()) + ") and constant_expressions (size " +
                std::to_string(nconst) + ") must have equal length.");
 
   // previously evaluated constant_expressions may be used in following constant_expressions
-  std::vector<Real> constant_values(nconst);
+  std::vector<Real> constant_expressions(nconst);
 
   for (unsigned int i = 0; i < nconst; ++i)
   {
@@ -161,7 +161,7 @@ FunctionParserUtils<is_ad>::addFParserConstants(
 
     // add previously evaluated constants
     for (unsigned int j = 0; j < i; ++j)
-      if (!expression->AddConstant(constant_names[j], constant_values[j]))
+      if (!expression->AddConstant(constant_names[j], constant_expressions[j]))
         mooseError("Invalid constant name in ParsedMaterialHelper");
 
     // build the temporary constant expression function
@@ -171,9 +171,9 @@ FunctionParserUtils<is_ad>::addFParserConstants(
                  "\n in parsed function object.\n",
                  expression->ErrorMsg());
 
-    constant_values[i] = expression->Eval(NULL);
+    constant_expressions[i] = expression->Eval(NULL);
 
-    if (!parser->AddConstant(constant_names[i], constant_values[i]))
+    if (!parser->AddConstant(constant_names[i], constant_expressions[i]))
       mooseError("Invalid constant name in parsed function object");
   }
 }