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Resolved Pure Virtual Function Call error during debug

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  1. Roland Smith
    Roland Smith
  2. PowerBuilder
  3. Tuesday, 14 June 2022 18:22 PM UTC

This problem has happened to me in PB 12.5. We are now on PB 2019 Build 2170.

Sometimes while debugging our app, the debugger encounters the error in the attached image.

One of our devs is getting it pretty much every time in one location. I don't get the error in this location even though it happened to me in a different location a couple weeks ago.

 

What he sees is that if he switches to the Instance Variables view and back to Local Variables before clicking the Step Over button, a Pure Virtual Function Call error occurs. This error is generated by the Microsoft Visual C++ Runtime.

Does anyone have any experience with this problem?

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PureVirtual.png PureVirtual.png
cec:UBLExtensions node name forces Describe("DataW...
Using OAuth2 in a Microsoft 365 environment
Responses (2)
Miguel Leeuwe
Miguel Leeuwe Accepted Answer Pending Moderation
  1. Wednesday, 15 June 2022 07:32 AM UTC
  2. PowerBuilder
  3. # 1

I've seen this error in the past (more than once) and if I remember well, it was always resolved by re-installing the c++ runtime.

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Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Tuesday, 14 June 2022 18:35 PM UTC
  2. PowerBuilder
  3. # 2

Hi Roland;

  My guess is that there PC has a different version of the Microsoft and/or PB runtime DLLs than yours.

Regards ... Chris

 

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Roland Smith
  1. Roland Smith
  2. Tuesday, 14 June 2022 19:46 PM UTC
Same version/build of PowerBuilder. Like I said, this happens to me in a different object. I don't remember which unfortunately.
  1. Helpful
Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Tuesday, 14 June 2022 20:03 PM UTC
That's really weird. I've never encountered that error or seen it reported in 30+ years of PB! :-(
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