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I copied the project you attached to a fresh installation of Noesis+Studio 4.0.0b5 for Unreal and opened the MainView.xaml, went to Resources tab, selected GlobalResources.xaml and clicked the Edit pencil for the DataTemplate.Agenda.VerticalList and nothing crashed. I also converted it to a default DataTemplate for the BP_AgendaViewModel and I was able to edit it fine.
I tried to assign that template to the ContentControl.ContentTemplate too, then assign the DataTemplate.Person.ListItem to the internal ItemsControl.ItemTemplate. This test worked fine as well.
Maybe I'm missing some steps to reproduce the crash. |
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JinFox
2025-10-31 10:19
reporter
~0011318
Last edited: 2025-10-31 10:20
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Hello,
This is strange, this morning I tried the step you mentionned by:
1 - unpacking the sample project NoesisGUI-UE5.6-4.0.0b5 (with noesis studio plugin and sample).
2 - extracted my sample zip at the root of the project (so that NoesisJR/ is next to the Samples.uproject)
3 - Opened Noesis Settings and added my project at a new entry at the end of the studio projects array ("NoesisJR/Game.noesis")
4 - Opened studio and opened the Data tab
5 - Clicked on Manage>Edit>DataTemplate.Agenda.VerticalList
-> Crash (this time in I could see one of the entry of the callstack be : UnrealEditor_NoesisRuntime!UNoesisInstance::NativeOnMouseButtonUp() [D:\Builds\Worker\build_build\Incoming\Temp\Unreal\Plugins\NoesisGUI\Source\NoesisRuntime\Private\NoesisInstance.cpp:1853]
6 - Optional : Sometime I was able to proceed but as soon as I was trying to edit Templating part of the property panel for the ItemsControl it crashed again.
However, after this, I did try to manually empty the generated xaml DataTemplate (in GlobalResource.xaml just leaving the dataTemplate with just a ItemsControl with ItemSource bound and nothing else) in case there was some thing it didnt like to re-populate it and now the crash didn't happen (I had tried that yesterday and it was still crashing.
So it looks that I am quite unlucky but it doesn't seem a 100% repro rate. |
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Could you save a minidump when it crashes and attach it here?
That way I can debug it and correctly see the callstack.
(I tried again following your steps and still not crashing for me) |
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Hello,
I tried again from scratch this morning trying the reproduction steps and also other similar occurence I usually was encountering but It seemed to be working as expected. I do not really know what was different because I started from the same zip file (unzipping your sample project, unzipping my example in it and got different result)
In any case, please find attached what I think is an occurence of that crash minidump.
Hopefully you can find the reason why using it.
Thanks again. |
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Visual Studio is asking for the binaries and symbols to properly debug the minidump.
Could you please zip also all the files (dlls+pdbs) under Binaries and Plugins/NoesisGUI/Binaries? They must be the ones used when the crash occurred so they match. |
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Hi Sergio,
Please find attached the zip file containing both binary folders (I had to use dropbox due to size limitation)
https://www.dropbox.com/scl/fi/2kw9hicc4rclz6lag0d4j/Binaries.zip?rlkey=491cde66oo23z7ljhr0csby26&st=mum9jp6m&dl=0 |
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Thanks a lot for helping with this, unfortunately the dump you attached does not contain any reference to Noesis code, it seems totally unrealated to the initial crash.
This last dump is related to an Unreal transient object that can't be garbage collected: DataBindingView_C
Are you able to crash like the first time, with Noesis in the crash callstack? |
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Unfortunately I haven't been able to reproduce the issue as I was able to reproduce it on this simple project last week but not today (my other more explorative project moved a bit since last time and the issue isn't seen there either) I will keep an eye on it and hopefully reproduce soon. |
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JinFox
2025-11-04 12:50
reporter
~0011349
Last edited: 2025-11-04 17:04
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Hello Sergio,
I was able to reproduce the issue on my test project. I have stripped everything I could so hopefully there is no noise on the project.
Please find in that dropbox link the sample project. I have included a gif showing the issue and step to it when unzipping the project :
[wrong link sorry] https://www.dropbox.com/scl/fi/bdi0npyctxa4jtrp6418s/MyCrashReport.zip?rlkey=3f9xslijamkudeat7kxhcfwsn&st=ovg3d674&dl=0
Updated link :
https://www.dropbox.com/scl/fi/p6qemx7u09yshm2ps80wy/CrashOnEditTemplate.zip?rlkey=a82ceqo366bfnd3lu716me6ow&st=fpmds65e&dl=0 |
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Hmm... this link points to the exact same project linked in ticket #4477, is that correct?
Because I can't find any gif showing the repro steps. |
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Hi Sergio, sorry, error on my part I took the wrong link. I have updated my post with the correct one |
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Fixed in changeset r16243 |
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