👉 Troubleshooting

Known bugs

We have replicated the following bugs and have temporary workarounds:

• #277 (vanilla game bug): Vehicles despawning near recently altered roads or rails

  • Caused by a bug in vanilla game which CO are investigating

  • How to fix - see: Removing Ghost Nodes and Broken Nodes

• #273 (vanilla game bug): Tourists unable to leave via 2-way outside connections

  • Try the Crazy Tourists Fix mod

• #244: Changing roads (adding junctions, upgrading, etc.) breaks nearby transport routes.

  • Caused by Network Extensions 2 (NExt2)

  • How to fix - replace NExt2 roads with normal road asset replicas: How to Remove Workshop Networks

General

• How to Remove Workshop Networks-- Roads, tracks, MOM, NExt2, etc.

  • RON - Replace Our Networks mod is highly recommended

• Mods:

  • Incompatible Mods List (mods that are incompatible with TM:PE)

  • Online list of game breaking mods

  • Recommended Mod Substitutions-- our recommendations

• Assets:

  • Broken Road Assets, Broken Vehicle Assets, Broken Building Assets, Broken Prop Assets, Broken District Styles

  • Vehicles: Vehicle LODs are flashing, Shiny Black Vehicle LODs

  • Notes for Asset Creators, Vanilla Capacities

  • Lemonster's List of broken assets and mods ( Steam Workshop Collection)

• Removing Ghost Nodes and Broken Nodes

• Moving the Game to a Different Disk Drive

Content manager / Mod options / Settings

• TMPE Mod Options Lost (or not saving/loading) in the mod options screen

• Subscribed Mod is not Showing in Game

• No Enable button in Content Manager

• Mods Missing in Content Manager (also applicable to assets)

• Road and Rail Customizations Lost (lane arrows, traffic lights, restrictions, etc.)

Public transport, and Cargo trains

• Allow Intercity Trains Button not Working

• Broken transport routes

• Buses are Taking Weird Routes

• Buses not spawning from depots-- may also be applicable for tracked vehicles

• Cims are not Using Public Transport

• Cims are Waiting for Taxi in Middle of Road

• Intercity Buses not Working

• Tracked Vehicles not Routing or Spawning — trains, metros, trams, monorail

• Regional Passenger Trains not Visiting City

• Tracked Vehicles not Routing or Spawning — trains, metros, monorails, trams

• Train Network Clogged With Cargo Trains

• Transport Vehicles Stuck on Boarding

Services

• Vehicle Count Flickering Between 1 and 0 — most commonly seen on service buildings, but can also affect industries, etc.

• Hearses not Spawning — dead people not being collected

• Helicopters and Trucks From Wrong Depots - e.g. fire helicopter spawns from a road-based fire station, or trucks spawning from helipads

Cims / Vehicles / Outside connections

• Cims Stuck at Crosswalks

• How Do I Turn Off Dummy Traffic — the 'fake' traffic that just drives in and out of city

• Industry and Commercial Vehicles not Working

• Industry Resources Collection and Delivery

• Intercity Buses not Working

• Floating Cyclists and Discarded Bicycles

• Floating Vehicles

• Outside Connections not Working

• Population stuck at 0

• Red Cars Everywhere

• Vehicles not spawning-- industry, services, public transport

Roads & Tracks

• Cars Driving Through Red Traffic Lights

• Change Side The Traffic Drives On

• "Blue Void":

  • Blue Void Showing Near Roads — also applies to paths, tracks, etc.

  • Blue Void Roads or Tracks - usually after placing buildings that contain road/tracks

  • Section of Road Becomes Blue Void - often happens after renaming a road / changing route

• Bulldozing a Road Causes Nearby Vehicles to Despawn

• Flickering Blue Road Building Guides

• Flying Trees

• Lane Arrows and Connectors not Loading

• Road LODs Look Ugly or Glitching - can also cause massive "terrain spikes" on the map

• Road Texture Flickers, or Terrain Showing Through Roads - also applies to paths, tracks, etc.

• Mod Roads United Core - can break toll roads

• Terrain and Roadside Grass Turned White

• Toll Booths not Working

• Traffic on Highways Misbehaving

• Vehicles Driving Over Medians

• Zoning not Working on Roads

UI (User Interface)

• Buttons Missing in Asset Editor

• Clicking a Button Makes Text Disappear

• Electricity Lines and Water Pipes Missing

• Interface Text Missing (usually on the timed traffic lights panel)

• Lane Arrows Buttons Missing Arrows

• Middle Mouse Camera Rotation Not Working

• No Audio

• Policies Panel Missing

• Road Names Distorted

• TM:PE Overlays not Showing

Recently Fixed Bugs

These issues should now be fixed (if not, let us know):

• Traffic Lights Turning White - BP fixed the "More Flags" mod in August 2019

• Mod Options Screen not Showing Properly

• Options Screen Showing Wrong Options for Selected Mod

• #259: "Looking for parking" infinite loop / vehicle stuck in road looking for parking

• #225: Lane changes at toll booths - fixed in TM:PE v10.21

• #817 (Linux/Mac): Game crashes while loading, or stuck on pause after loading.

Error messages

None of these are caused by TM:PE, but we list them here as it's useful resource for anyone encountering them.

• Boost Filesystem Path Error

• ArgumentException An element with the same key already exists in the dictionary

• ArgumentNullException Argument cannot be null

• Could not Get Memory for Large Allocation - not enough RAM or page file too small!

• Could not load global config System.TypeLoadException

• Could not load type TrafficManager.Geometry.Impl.SegmentGeometry

• Could not load type TrafficManager.Traffic.Data.VehicleState

• Exception BuildingInfo ..._Data failed - and also Custom Assets: ..._Data: NetInfo missing

• Field .PathUnit.m_vehicleTypes not found System.MissingFieldException

• FileNotFoundException Could not load file or assembly 'TrafficManager'

• FormatException Invalid Image Format

• GetColors() format not supported System.NotImplementedException

• InitD3D11RenderColorSurface VRDevice Error

• Invalid list detected

• KeyNotFoundException The given key was not present in the dictionary

• Object reference not set to an instance of an object

  • Sometimes it might say NullReferenceException (same error, just logged differently)

  • See also: Ploppable RICO errors

• Simulation error Array index is out of range

• Simulation error Cannot cast from source type to destination type

• Simulation error Division by zero

• Simulation error EndDeserialize(GameAreaManager) tag mismatch

• Simulation error Object reference not set (RoadBaseAI.CanEnableTrafficLights)

• Simulation failed Deserialization tag mismatch

• System.ArgumentNullException '' with 1 arguments

• System.IO.IOException which might be shown as:

  • System.IO.IOException: Sharing violation

  • System.Reflection.TargetInvocationException

• System.IO.IOException Win32 IO returned 112

  • On screen, you might see something like The Mod ... [.dll files] has caused an error

• System.StackOverflowException (also sometimes without the System. bit)

• System.Reflection.TargetInvocationException TMPE.log is denied - or any other TMPE.log error

• The class PropVehCount.PropVehCount could not be loaded

• Look rotation viewing vector is zero - triggered by Vehicle Effects mod? Causes in-game lag due to log file spamming during gameplay.

Stuff Lost in Time

* Simulation Error: ProceduralObjects Error