Caused by scavenger fleets?
This potentially breaks a key feature of at least one mod (Exigency).
110035 [Thread-5] ERROR com.fs.starfarer.combat.CombatMain - java.lang.ClassCastException: com.fs.starfarer.campaign.Hyperspace cannot be cast to com.fs.starfarer.api.campaign.StarSystemAPI
java.lang.ClassCastException: com.fs.starfarer.campaign.Hyperspace cannot be cast to com.fs.starfarer.api.campaign.StarSystemAPI
at com.fs.starfarer.api.impl.campaign.fleets.RouteManager$RouteSegment.<init>(RouteManager.java:42)
at com.fs.starfarer.api.impl.campaign.fleets.RouteManager$RouteSegment.<init>(RouteManager.java:47)
at com.fs.starfarer.api.impl.campaign.procgen.themes.RuinsFleetRouteManager.advance(RuinsFleetRouteManager.java:65)
at com.fs.starfarer.campaign.BaseLocation.advanceEvenIfPaused(Unknown Source)
at com.fs.starfarer.campaign.CampaignEngine.advance(Unknown Source)
at com.fs.starfarer.campaign.save.CampaignGameManager.super(Unknown Source)
at com.fs.starfarer.title.TitleScreenState.dialogDismissed(Unknown Source)
at com.fs.starfarer.ui.N.dismiss(Unknown Source)
at com.fs.starfarer.ui.impl.O0oO.dismiss(Unknown Source)
at com.fs.starfarer.campaign.save.J.actionPerformed(Unknown Source)
at com.fs.starfarer.ui.supernew.super(Unknown Source)
at com.fs.starfarer.ui.int.processInput(Unknown Source)
at com.fs.starfarer.ui.O0Oo.o00000(Unknown Source)
at com.fs.starfarer.BaseGameState.traverse(Unknown Source)
at com.fs.state.AppDriver.begin(Unknown Source)
at com.fs.starfarer.combat.CombatMain.main(Unknown Source)
at com.fs.starfarer.StarfarerLauncher$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Left-clicking on a hyperspace station in the Tab map crashes the game, presumably from trying to show system info:
java.lang.ClassCastException: com.fs.starfarer.campaign.Hyperspace cannot be cast to com.fs.starfarer.api.campaign.StarSystemAPI
at com.fs.starfarer.campaign.ui.intel.B.Ò00000(Unknown Source)
at com.fs.starfarer.ui.newui.J$7.actionPerformed(Unknown Source)
at com.fs.starfarer.ui.newui.J.setCurrentTab(Unknown Source)
at com.fs.starfarer.campaign.CampaignState.showCoreUITab(Unknown Source)
at com.fs.starfarer.coreui.map.oOOO.o00000(Unknown Source)
at com.fs.starfarer.coreui.map.U.processInputImpl(Unknown Source)
at com.fs.starfarer.ui.interface.processInput(Unknown Source)
at com.fs.starfarer.ui.V.o00000(Unknown Source)
at com.fs.starfarer.BaseGameState.traverse(Unknown Source)
at com.fs.state.AppDriver.begin(Unknown Source)
at com.fs.starfarer.combat.CombatMain.main(Unknown Source)
at com.fs.starfarer.StarfarerLauncher$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)