Common Configuration Errors

AssettoServer will refuse to start with some common misconfigurations. You can choose to ignore these errors by setting the corresponding value in extra_cfg.yml.

Missing car checksums

This error will be shown when data.acd cannot be found for one or more cars. A checksum for data.acd is required to prevent people from cheating by modifying their car data.

If you want to allow players to modify their car data you have to ignore this warning by setting this in extra_cfg.yml:

IgnoreConfigurationErrors:
  MissingCarChecksums: true

Missing track params

AssettoServer uses track coordinates and time zone for some features like live weather. At first server startup a list of known track params will be downloaded from here: https://github.com/ac-custom-shaders-patch/acc-extension-config/blob/master/config/data_track_params.ini
When there is no entry in this file for your track this error will be shown. This should be fixed by creating a Pull Request on the above repository and then forcing AssettoServer to redownload this file by deleting cfg/data_track_params.ini.
To create local track param data for your track without creating a Pull Request, read this FAQ section.

If you want to ignore this error set this in extra_cfg.yml:

IgnoreConfigurationErrors:
  MissingTrackParams: true

caution

If WeatherFX is enabled while track params are missing, time will not be in sync between players and the server.

Wrong server details

In Content Manager Server > Details > Mode to provide extra details you selected Via ID in name (recommended). For AssettoServer this is NOT recommended because AssettoServer has its own way to ensure server details are always up to date.

See this page for more info.

If you want to ignore this error set this in extra_cfg.yml:

IgnoreConfigurationErrors:
  WrongServerDetails: true

Unsafe admin whitelist

There are whitelisted admin SteamIDs in admins.txt but UseSteamAuth is disabled in extra_cfg.yml. This is unsafe because players can gain admin privileges by using SteamID spoofing. Please enable Steam auth to prevent SteamID spoofing.

If you want to ignore this error set this in extra_cfg.yml:

IgnoreConfigurationErrors:
  UnsafeAdminWhitelist: true

CSP extra options missing from chat

If you added parameters to the csp_extra_options.ini without forcing a CSP version, features like teleportation won't show up in the chat menu but will allow players to teleport via apps like comfy map if their installed CSP version supports it.

To make them selectable in the chat app follow the instructions on how to force a CSP version.