[Bug] [macOS] Crash after first iteration when using Recycle block on Apple Silicon

[volkan-a]

When running a flowsheet that includes a Recycle block on macOS with Apple Silicon, the simulation crashes after the first iteration. The same flowsheet runs without any issues on Windows.

I suspect it might be related to the system's locale settings, especially the decimal separator being a comma (",") instead of a dot (".").

Expected behavior The simulation should converge without crashing, as it does on Windows.

Screenshots (Not applicable — crash occurs without visible error)

Desktop (please complete the following information):

OS: macOS 15.5 Chip: Apple Silicon M2 Locale: Turkish - uses comma as decimal separator DWSIM Version: 9.0.2

[DanWBR]

@volkan-a can you share the lasterror.txt file from Documents/DWSIM Application Data folder?

[volkan-a]

Sorry for the late reply. Here's lasterror.txt:

System.MissingMethodException: Method not found: void Eto.Forms.Control.DoDragDrop(Eto.Forms.DataObject,Eto.Forms.DragEffects,Eto.Drawing.Image,Eto.Drawing.PointF)
  at Eto.PropertyStore.TriggerEvent[T] (System.Object key, System.Object sender, T args) [0x0000e] in <23bf6400f02d49eba883a8238fbdb959>:0
  at Eto.Forms.Control.OnMouseDown (Eto.Forms.MouseEventArgs e) [0x00006] in <23bf6400f02d49eba883a8238fbdb959>:0
  at Eto.Forms.Control+Callback.OnMouseDown (Eto.Forms.Control widget, Eto.Forms.MouseEventArgs e) [0x0000c] in <23bf6400f02d49eba883a8238fbdb959>:0
  at Eto.Mac.Forms.MacView`3[TControl,TWidget,TCallback].TriggerMouseDown (System.IntPtr sender, System.IntPtr sel, System.IntPtr e) [0x0005f] in <5970afe3335542568b2416b8242cdff2>:0
  at (wrapper native-to-managed) Eto.Mac.Forms.MacView`3[AppKit.NSView,Eto.Forms.TableLayout,Eto.Forms.Control+ICallback].TriggerMouseDown(intptr,intptr,intptr)
  at (wrapper managed-to-native) AppKit.NSApplication.NSApplicationMain(int,string[])
  at AppKit.NSApplication.Main (System.String[] args) [0x00040] in /Library/Frameworks/Xamarin.Mac.framework/Versions/5.14.0.110/src/Xamarin.Mac/AppKit/NSApplication.cs:100
  at Eto.Mac.Forms.ApplicationHandler.Run () [0x00047] in <5970afe3335542568b2416b8242cdff2>:0
  at Eto.Forms.Application.Run (Eto.Forms.Form mainForm) [0x0002c] in <23bf6400f02d49eba883a8238fbdb959>:0
  at DWSIM.UI.Desktop.Program.MainApp (System.String[] args) [0x00559] in <929025c9c3024e3e81ccc71e2590a404>:0

[DanWBR]

@volkan-a please try it with 9.0.3, as I fixed a similar issue that might work here

[volkan-a]

I’m trying every new version but ir’s the same. I’m pretty sure it was working on 8.xxxs.

[DanWBR]

@volkan-a I'm from Brazil and here we also use comma as decimal separator. Can you share your flowsheet or at least something that I can use to reproduce the issue?

[volkan-a]

Dear Daniel, I've opened simulation file with 9.0.4 and saved it again. Now it started to work again.

However, may be you should check this window again. There are commas and points together.

UPDATE:

App doesn't crash but simulation stops after 1 iteration.

[volkan-a]

simple_recycle_block.dwxmz.zip

I modelled a simple rankine cycle to demonstrate what's happening. This simulation works on Windows but crashes on Apple Silicon.