Hello, I'm trying to upgrade my timeline heavy project to 2021.2.4 and have been having a lot of various problems. It unfortunately, only seems to be affecting my project and I can't reproduce it in a standalone project. So I'm wondering if someone might be able to give me some advice. Submitting my whole project isn't really an option for NDA reasons so I'm hoping to see if I can get some help or see if other people have had this problem. The exception I'm encountering is: ArgumentOutOfRangeException: Specified argument was out of the range of valid values. Parameter name: Time is over the discrete range. at UnityEngine.Timeline.DiscreteTime.DoubleToDiscreteTime (System.Double time) [0x00040] in F:\Projects\MyProject\Game\Library\PackageCache\firstname.lastname@example.org\Runtime\DiscreteTime.cs:88 at UnityEngine.Timeline.DiscreteTime.GetNearestTick (System.Double time) [0x00002] in F:\Projects\MyProject\Game\Library\PackageCache\email@example.com\Runtime\DiscreteTime.cs:223 at UnityEngine.Timeline.TimelinePlayable.Evaluate (UnityEngine.Playables.Playable playable, UnityEngine.Playables.FrameData frameData) [0x0003f] in F:\Projects\MyProject\Game\Library\PackageCache\firstname.lastname@example.org\Runtime\TimelinePlayable.cs:261 at UnityEngine.Timeline.TimelinePlayable.PrepareFrame (UnityEngine.Playables.Playable playable, UnityEngine.Playables.FrameData info) [0x00004] in F:\Projects\MyProject\Game\Library\PackageCache\email@example.com\Runtime\TimelinePlayable.cs:249 Unity 2021.2.4 Timeline Package: 1.6.3 Build: Win Standalone IL2CPP (both editor and Mono builds work fine) This is causing all of my timelines to terminate immediately and be skipped. This appears to be happening for all of my timelines and I'm not sure why. My guess it's some weird IL2CPP bug with this version of Unity. The last version I was using was 2021.1.4 and the timeline 1.5.6 package. If people have thoughts about what might be causing this exception on existing timelines I'd appreciate it. Thanks!