Common Language Runtime detected an invalid program.

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Posted on by Zaid Khan

Hi Friends,

I created Vendor then created the purchase order but when I add purchase order line an error came
"Common Language Runtime detected an invalid program."

and it won't allow me to save the purchase order line.

Please help me to resolve this issue.

I don't understand why it stops there. What could be causing the error?

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André Arnaud de Cal... 303,669 Super User 2026 Season 1 on at

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Hi Zaid,

In my environments, it is working correctly.
Which exact version of Dynamics 365 Finance are you using? Do you have customizations or ISV solutions installed in your environment? Did it work before? If so, was there any change to the environment? Which browser are you using?

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Zaid Khan 17 on at

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Hi André Arnaud de Calavon,

D365FO (Platform update60) 7.0.7036.51 and have some customizations

Also ISV solution is not installed but ISV runtime is running

And I am using Microsoft edge browser

But still facing same error "Common Language Runtime detected an invalid program."

Also it says "Some of the information that you entered is not valid. You must enter valid information before you can continue."
When I hit save.

Thanks.

Zaid.

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André Arnaud de Cal... 303,669 Super User 2026 Season 1 on at

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Hi Zaid,

You can try to update a test environment to version 10.0.40 (PU64) which is the current version and see if this solves the issue.

What exactly do you mean by "ISV runtime is running"?

In what area do you have customizations?

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