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SDK 1.7 Preview
SDK 1.7 Preview
  • Welcome
  • Overview
    • Features
    • Roadmap
  • Getting started
    • Get the Unity SDK
    • Setup a project
      • 1. Scene setup
      • 2. Prefab setup
      • 3. Test your game locally
        • Local testing using builds
        • Local testing via Unity's Multiplayer Play Mode
        • Local testing via ParrelSync
      • 4. Test in the cloud
        • Deploy a Replication Server
        • Share builds
    • How to... ?
    • Single-player to multiplayer
    • Video tutorials
    • Samples and tutorials
      • Package samples
      • Sample Connection UIs
      • First Steps tutorial
        • 1. Basic syncing
          • 1.1 Animation parameters
          • 1.2 Sending commands
        • 2. Physics / Authority transfer
        • 3. Areas of interest
        • 4. Parenting entities
        • 5. Complex hierarchies
        • 6. Persistence
      • Campfire project
        • Game mechanics
        • Leveraging object pooling
        • Remote interactions: Chairs
        • Remote interactions: Trees
        • A unique object with complex state
        • Custom instantiation and destruction
        • Running a server-side NPC
        • Playing audio and particles
        • A simple text chat
      • Beginner's guide to networking
    • Troubleshooting
  • Manual
    • Unity Components
      • CoherenceSync
      • CoherenceBridge
      • CoherenceLiveQuery
      • CoherenceTagQuery
      • CoherenceGlobalQuery
      • CoherenceInput
      • CoherenceNode
      • PrefabSyncGroup
      • Order of execution
    • Networking state changes
      • Instantiate and Destroy Objects
      • Supported types
      • Messaging with Commands
      • Syncing child GameObjects
      • Animation
      • CoherenceSync references
      • [Sync] and [Command] Attributes
      • [OnValueSynced] Attribute
      • Creating your own syncable member
      • Custom Component Actions
      • Rigid Bodies
      • Interpolation
    • Authority
      • Authority transfer
      • Server-authoritative setup
    • Lifetime
      • Persistence
      • Uniqueness
      • Example: A global counter
    • Parenting network entities
      • Direct children CoherenceSyncs
      • Deeply-nested CoherenceSyncs
      • Nesting Prefabs at Edit time
    • Asset management
      • Instantiating from CoherenceSyncConfig
      • Instantiate via
      • Load via
    • Scene management
    • Multiple Connections within a Game Instance
    • Baking (code generation)
      • Conditional compilation
    • Replication Server
      • Rooms and Worlds
      • Replication Server API
    • Simulators (Servers)
      • Scripting: Client vs Simulator
      • Run local Simulators
      • World Simulators
      • Room Simulators
      • Advanced Simulator Authority
      • Simulator slugs
      • Build and Deploy
      • Command-line arguments
    • Client Connections
    • Optimization
      • Areas of Interest
      • Level of Detail (LOD)
      • Profiling
      • Simulation Frequency
    • Project Settings
    • Advanced topics
      • Big worlds
        • World Origin Shifting
        • Load balancing
      • Competitive games
        • Simulation Frame
        • Determinism, Prediction and Rollback
      • Team workflows
        • Version Control integration
        • Continuous Integration
      • Schema explained
        • Specification
        • Field settings
        • Archetypes
      • Code stripping
      • Replication Server CLI
      • Single-player gameplay
    • Scripting API
  • Hosting
    • Choosing where to host
    • coherence Cloud
      • Online Dashboard
      • Manage Worlds
      • Configure Rooms
      • Player Accounts
      • Game Services
        • Lobbies
        • Cloud Storage
        • Key-Value Store (Legacy)
      • APIs
        • Worlds
        • Rooms
        • Lobbies
        • Cloud Storage
        • Key-Value Store (Legacy)
    • Peer-to-peer
      • Implementing Client hosting
        • Steam Relay
        • Epic Online Services (EOS) Relay
        • Azure PlayFab Relay
  • Support
    • Release notes
    • Glossary
    • Unreal Engine support
    • WebGL support
    • ECS / DOTS support
    • Known issues
    • Upgrade guide
      • Upgrade 1.6 -> 1.7
      • Upgrade 1.5 -> 1.6
      • Upgrade 1.4 -> 1.5
      • Upgrade 1.3 -> 1.4
      • Upgrade 1.2 -> 1.3
      • Upgrade 1.1 -> 1.2
      • Upgrade 1.0 -> 1.1
      • Upgrade 0.10 -> 1.0
      • Upgrade 0.9 -> 0.10
    • Credit cost & pricing
    • Report a bug
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On this page
  • I can't connect
  • Local Replication Server gives an error upon starting
  • Objects are not updating on remote Clients

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  1. Getting started

Troubleshooting

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I can't connect

  • Is a running?

    • Tip: Try running one locally, before trying the coherence Cloud.

  • Does the running Replication Server have the right ?

    • Ensure you have .

    • For local RS, shut down the the Replication Server and launch it again.

    • For cloud RS, ensure you have uploaded the schema to the cloud, then retry.

Local Replication Server gives an error upon starting

  • Ensure you only have one Replication Server running.

Objects are not updating on remote Clients

  • Are you connected to the Replication Server? Check the icon and messages on the .

  • Do you have at least one in the scene, and is it framing the gameplay?

    • Tip: You can set it to radius 0 so it encompasses the whole game space.

Replication Server
baked the netcode
CoherenceBridge component
LiveQuery