@Osman Hemidov Are you using SoundToys plugins? There is an issue that was identified with these that prevent some projects from opening. Thanks to @Helene Kolpakova for sharing a project file that exhibited this issue. This is likely why nobody spotted this problem prior to release. This is because these plugins are sending extra unnecessary notifications during project open that cause our loading code to fail unexpectedly. We will release a fix for this soon. However for now you can e