Ah, thank you! Yes, I've tried this with the 'In the Moodlet' and 'Stuck in Their Shadow' scenarios. I thought it would be good to test one with a pre-made sim and one with a player-made sim. Maybe something happened with my install? I worry that I'll have to reinstall the game again. Here is the exception text:
<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>e48688cda32219af683b8f31</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-05-31 23:42:21</createtime><buildsignature>Local.Unknown.Unknown.1.115.216.1030-1.200.000.658.Release</buildsignature><categoryid>(AS)widgets.Gameplay.SituationDisplay.controls::SituationTabDisplayBase</categoryid><desyncid>e48688cda32219af683b8f31</desyncid><systemconfig/><screenshot/><desyncdata>ReferenceError: Error #1069: Property situation_id not found on 296171 and there is no default value. at widgets.Gameplay.SituationDisplay.controls::SituationTabDisplayBase/GetPersistedContentPanel() at widgets.Gameplay.SituationDisplay::SituationDisplayMain/RestoreContentPanel() at olympus.core.widget::WidgetBase/Show() at olympus.io::CommunicationObject/DispatchToWidget() at olympus.io::CommunicationManager/DispatchStoredOnDemandMessages() at olympus.core::LayoutManager/OnDemandWidgetLoadComplete() rtim=116682 Client Session Time: 30.19 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,477,0,5990 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 2070 Super 32.0.15.7652, GUID: 3D1A6FA8-E975-11EE-A5F5-342EB71E1CCE </desyncdata></report>
<report><version>2</version><sessionid>e48688cda32219af683b8f31</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-05-31 23:42:46</createtime><buildsignature>Local.Unknown.Unknown.1.115.216.1030-1.200.000.658.Release</buildsignature><categoryid>(AS)widgets.Gameplay.SituationDisplay.controls::SituationTabDisplayBase</categoryid><desyncid>e48688cda32219af683b8f31</desyncid><systemconfig/><screenshot/><desyncdata>TypeError: Error #1009: Cannot access a property or method of a null object reference. at widgets.Gameplay.SituationDisplay.controls::SituationTabDisplayBase/Reset() at widgets.Gameplay.SituationDisplay.controls::SituationTabDisplayBase/OnShow() at olympus.core.widget::WidgetBase/Show() at olympus.io::CommunicationObject/Dispatch() at olympus.io::CommunicationManager/SendUIMessage() at olympus.io::CommunicationManager/SendUIMessage() at gamedata.Gameplay.shared::GameplayStateData/HandleSituationStart() at gamedata.Gameplay.shared::GameplayStateData/HandleGameStateLoadComplete() at olympus.io::CommunicationObject/Dispatch() at olympus.io::CommunicationManager/SendUIMessage() at olympus.io::CommunicationManager/SendMessage() at olympus.core::UIManager/GameStateLoadComplete() at olympus.core::LayoutManager/GameStateLoadComplete() at olympus.core::LayoutManager/LoadWidgetCompleteHandler() rtim=119168 Client Session Time: 30.19 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,477,0,5990 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 2070 Super 32.0.15.7652, GUID: 3D1A6FA8-E975-11EE-A5F5-342EB71E1CCE </desyncdata></report>
<report><version>2</version><sessionid>e48688cda32219af683b8f31</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-05-31 23:51:07</createtime><buildsignature>Local.Unknown.Unknown.1.115.216.1030-1.200.000.658.Release</buildsignature><categoryid>(AS)widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert</categoryid><desyncid>e48688cda32219af683b8f31</desyncid><systemconfig/><screenshot/><desyncdata>TypeError: Error #1009: Cannot access a property or method of a null object reference. at widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert/UpdateBuildBuyButtonState() at olympus.io::CommunicationObject/Dispatch() at olympus.io::CommunicationManager/SendUIMessage() at olympus.io::CommunicationManager/SendMessage() at olympus.core::UIManager/GameStateLoadComplete() at olympus.core::LayoutManager/GameStateLoadComplete() at olympus.core::LayoutManager/SwitchToGameState() at olympus.core::UIManager/HandleEnterFrame() rtim=169285 Client Session Time: 30.19 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,477,0,5990 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 2070 Super 32.0.15.7652, GUID: 3D1A6FA8-E975-11EE-A5F5-342EB71E1CCE </desyncdata></report>
<report><version>2</version><sessionid>e48688cda32219af683b8f31</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-05-31 23:51:09</createtime><buildsignature>Local.Unknown.Unknown.1.115.216.1030-1.200.000.658.Release</buildsignature><categoryid>(AS)widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert</categoryid><desyncid>e48688cda32219af683b8f31</desyncid><systemconfig/><screenshot/><desyncdata>TypeError: Error #1009: Cannot access a property or method of a null object reference. at widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert/UpdateBuildBuyButtonState() at olympus.io::CommunicationObject/Dispatch() at olympus.io::CommunicationManager/SendUIMessage() at olympus.io::CommunicationManager/SendMessage() at olympus.core::UIManager/GameStateLoadComplete() at olympus.core::LayoutManager/GameStateLoadComplete() at olympus.core::LayoutManager/SwitchToGameState() at olympus.core::UIManager/HandleEnterFrame() rtim=169491 Client Session Time: 30.19 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,477,0,5990 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 2070 Super 32.0.15.7652, GUID: 3D1A6FA8-E975-11EE-A5F5-342EB71E1CCE </desyncdata></report>
<report><version>2</version><sessionid>e48688cda32219af683b8f31</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-05-31 23:51:13</createtime><buildsignature>Local.Unknown.Unknown.1.115.216.1030-1.200.000.658.Release</buildsignature><categoryid>(AS)widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert</categoryid><desyncid>e48688cda32219af683b8f31</desyncid><systemconfig/><screenshot/><desyncdata>TypeError: Error #1009: Cannot access a property or method of a null object reference. at widgets.Gameplay.SimInfoHUD.SimInfoTray::CalendarEventAlert/UpdateBuildBuyButtonState() at olympus.io::CommunicationObject/Dispatch() at olympus.io::CommunicationManager/SendUIMessage() at olympus.io::CommunicationManager/SendMessage() at olympus.core::UIManager/GameStateLoadComplete() at olympus.core::LayoutManager/GameStateLoadComplete() at olympus.core::LayoutManager/LoadWidgetCompleteHandler() rtim=169900 Client Session Time: 30.19 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,477,0,5990 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 2070 Super 32.0.15.7652, GUID: 3D1A6FA8-E975-11EE-A5F5-342EB71E1CCE </desyncdata></report>
</root>