Error on next turn

[Merkest1]

I was playing the Alpha version with below mods. And it was going well up to turn 400ish but now when I press next turn it bugs out with below.
Had to cut out a lot of the bug report due to length

Platform: Android
Version: 4.13.11 (Build 1,053)
Rulesets: [Civ V - Vanilla, Latin American_Civs, RekMOD, Brave New World, Civ V - Gods & Kings, 5Hex Tileset, Alpha Frontier]
Last Screen: com.unciv.ui.screens.worldscreen.WorldScreen

---

Device Model: SM-G991B
API Level: 34
System Memory: 7201 MB
Available (used by Kernel): 1999 MB
System Low Memory state: false
Java heap limit: 512 MB
Java heap free: 17 MB

---

Message:

java.lang.NullPointerException
	at com.unciv.ui.screens.worldscreen.unit.actions.UnitActionsFromUniques.getRepairTurns$core(UnitActionsFromUniques.kt:436)
	at com.unciv.logic.automation.unit.WorkerAutomation.getImprovementPriority(WorkerAutomation.kt:280)
	at com.unciv.logic.automation.unit.WorkerAutomation.tileHasWorkToDo(WorkerAutomation.kt:308)
	at com.unciv.logic.automation.unit.WorkerAutomation.findTileToWork(WorkerAutomation.kt:206)
	at com.unciv.logic.automation.unit.WorkerAutomation.automateWorkerAction(WorkerAutomation.kt:83)
	at com.unciv.logic.automation.unit.WorkerAutomation.automateWorkerAction$default(WorkerAutomation.kt:74)
	at com.unciv.logic.automation.unit.CivilianUnitAutomation.automateCivilianUnit(CivilianUnitAutomation.kt:38)
	at com.unciv.logic.automation.unit.UnitAutomation.automateUnitMoves(UnitAutomation.kt:178)
	at com.unciv.logic.automation.civilization.NextTurnAutomation.automateUnits(NextTurnAutomation.kt:435)
	at com.unciv.logic.automation.civilization.NextTurnAutomation.automateCivMoves(NextTurnAutomation.kt:76)
	at com.unciv.logic.automation.civilization.NextTurnAutomation.automateCivMoves$default(NextTurnAutomation.kt:38)
	at com.unciv.logic.civilization.managers.TurnManager.automateTurn(TurnManager.kt:344)
	at com.unciv.logic.GameInfo.nextTurn(GameInfo.kt:397)
	at com.unciv.ui.screens.worldscreen.WorldScreen$nextTurn$1.invokeSuspend(WorldScreen.kt:585)
	at com.unciv.ui.screens.worldscreen.WorldScreen$nextTurn$1.invoke(Unknown Source:8)
	at com.unciv.ui.screens.worldscreen.WorldScreen$nextTurn$1.invoke(Unknown Source:4)
	at com.unciv.utils.ConcurrencyKt$launchCrashHandling$1.invokeSuspend(Concurrency.kt:89)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)
	at com.unciv.utils.Dispatchers$CrashHandlingDispatcher$dispatch$1.invoke(Concurrency.kt:190)
	at com.unciv.utils.Dispatchers$CrashHandlingDispa