# Scaler 3 Studio One crash in midi file edit - Use VST3

**URL:** <https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242>\
**Category:** Scaler 3 General Discussion\
**Tags:** Studio-ONE\
**Created:** [April 6, 2025, 1:39pm UTC](https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242 "2025-04-06T13:39:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Syd](https://yyz2.discourse-cdn.com/flex012/user_avatar/forum.scalermusic.com/syd/32/10973_2.png) [@Syd](https://forum.scalermusic.com/u/Syd)\
**Post date:** [April 6, 2025, 1:39pm UTC](https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242/1 "2025-04-06T13:39:40Z")

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Hi. When I try to edit chord in the MIDI editor page, the DAW unexpectedly closes. I tried both the AU plugin version and the VST3 version.  
Studio ONE 6.6.4  
Scaler 3 1.0.2  
iMac M1 Ventura 13.7.5  
Thanks

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**Author:** ![Syd](https://yyz2.discourse-cdn.com/flex012/user_avatar/forum.scalermusic.com/syd/32/10973_2.png) [@Syd](https://forum.scalermusic.com/u/Syd)\
**Post date:** [April 6, 2025, 2:16pm UTC](https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242/2 "2025-04-06T14:16:33Z")

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I think it’s a problem with Scaler, because I just checked and the issue also occurs in the Stand Alone version

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**Author:** ![GoliathGrouper](https://avatars.discourse-cdn.com/v4/letter/g/cdc98d/32.png) [@GoliathGrouper](https://forum.scalermusic.com/u/GoliathGrouper)\
**Post date:** [April 6, 2025, 7:32pm UTC](https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242/3 "2025-04-06T19:32:29Z")

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My setup is the same as yours. As general guidance, use the VST3 - do not use the AUV, unless you’re in Logic. The AUV is unstable in Studio One.

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**Author:** ![djjlava](https://avatars.discourse-cdn.com/v4/letter/d/3e96dc/32.png) [@djjlava](https://forum.scalermusic.com/u/djjlava)\
**Post date:** [May 8, 2025, 4:37pm UTC](https://forum.scalermusic.com/t/scaler-3-studio-one-crash-in-midi-file-edit-use-vst3/21242/4 "2025-05-08T16:37:58Z")

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Same crash happens in Ableton and I’m using the VST3. using an M1 MacBook Pro running the latest OS.