fixup! fix: copy MTKParameters over setp_oop for initializeprobpmap

Author: AayushSabharwal

src/systems/diffeqs/abstractodesystem.jl

@@ -854,11 +854,15 @@ function process_DEProblem(constructor, sys::AbstractODESystem, u0map, parammap;
         end
     end
     defs = defaults(sys)
-    guesses = merge(
-        ModelingToolkit.guesses(sys), isempty(guesses) ? Dict() : todict(guesses))
-    solvablepars = [p
-                    for p in parameters(sys)
-                    if is_parameter_solvable(p, parammap, defs, guesses)]
+    if has_guesses(sys)
+        guesses = merge(
+            ModelingToolkit.guesses(sys), isempty(guesses) ? Dict() : todict(guesses))
+        solvablepars = [p
+                        for p in parameters(sys)
+                        if is_parameter_solvable(p, parammap, defs, guesses)]
+    else
+        solvablepars = ()
+    end
     # ModelingToolkit.get_tearing_state(sys) !== nothing => Requires structural_simplify first
     if sys isa ODESystem && build_initializeprob &&
        (((implicit_dae || !isempty(missingvars) || !isempty(solvablepars) ||