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Debugger enters into .cs code instead of staying in the xpp code

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Posted on by MYGz

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Hi,

Version: 10.0.45 VHD, Visual Studio 2022

I'm trying to debug Sales Order Customer Prepayment Invoice posting code. But many times instead of staying in the xpp code, the debugger jumps into the .cs code.

For eg, CustVendSettle class exists in the AOT, instead of navigating in the xpp code, it enters into CustVendSettle.cs code.

How to prevent the debugger from entering the .cs code where the xpp code is available.

Appreciate any clarifications or tips.

Best Regards,

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Dynamics 365 Finance

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André Arnaud de Cal... 303,730 Super User 2026 Season 1 on at

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Hi MYGz,

Please check if you have enabled the model containing the Sales order prepayment elements on the Debugging tab of the Options in visual studio.

By default, not all models are enabled.

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Martin Dráb 239,038 Most Valuable Professional on at

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There are two parts of the problem:

VS isn't able to debug the X++ for some reason. Most likely, it's because you haven't enabled it for the given module, as mentioned by André.

VS is configured to decompile CIL if it can't find symbols / source code. You can turn it off under Tools > Debugging > Automatically decompile to source when needed.

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MYGz 2,334 on at

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Thanks,

I got this error after disabling,

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Martin Dráb 239,038 Most Valuable Professional on at

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Yes, if the source can't be found and you disable atutomatic decompilation, you'll get the Source Not Found window instead of the decompiled source code. That's exactly the difference between Automatically decompile to source when needed being enabled or disabled. As you see, this parts works as expected.

The actual problem is why the source code can't be found. Not having the relevant package enabled for debugging was the most likely explanation, but it's not the only possible cause.

Here are a few things to check (we can think about some more if needed):

Make sure you have a project opened (in Solution Explorer) before starting debugging. My guess is that this is the problem.

Recompile the model (SalesFormLetterLTM_Extension seems to be a customization).

Untick Enable Just My Code under Tools > Options > Debugging.

If you need more help, please tell us also how you start debugging.

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MYGz 2,334 on at

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Hi @Martin Dráb

I was debuggin with reattach to process. I don't have any projects open.

Do we still need a project open if debugging standard code? Is there a way to debug code without creating any project or it's a requirement?

I have put a breakpoint in standard code.

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Martin Dráb 239,038 Most Valuable Professional on at

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As far as I know, it's necessary - that's why I told you to do so. Please try it.

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