@SupportiveEntity Yes it fails
I have added a log to play/standalone as explained in this post : Where are the logs for "Play in Standalone mode" located? - #2 by james0x0A
And there is warning repeated 16 times in the log which is linked to a component that I have created ( the character swims) .
[2022.11.19-04.32.27:494][ 10]LogScript: Warning: Attempted to access TRASH_SwimComponent_C_21 via property SwimComponent, but TRASH_SwimComponent_C_21 is pending kill
BP_mouse_C /Game/AGame/GameMaps/01-Wizard.01-Wizard:PersistentLevel.BP_mouse_2
Function /Game/AGame/BP_characters/mouse/BP_mouse.BP_mouse_C:ExecuteUbergraph_BP_mouse:005B
[2022.11.19-04.32.27:495][ 10]LogScript: Warning: Script call stack:
Function /Game/AGame/BP_characters/mouse/BP_mouse.BP_mouse_C:ReceiveTick
Function /Game/AGame/BP_characters/mouse/BP_mouse.BP_mouse_C:ExecuteUbergraph_BP_mouse