Troubleshooting
Expected Warnings
The following FiveM server warnings are expected and safe to ignore:
- Couldn't find resource sessionmanager.
Server Errors
Database
- mysql Error: -1 : Unable to connect to any of the specified MySQL hosts.- Check your - nfive\config\database.ymlconfiguration is correct and that a MySQL database is running and available.
- MySql.Data.MySqlClient.MySqlPacket.ReadStringor similar MySQL read error- Make sure your database charset is correctly set for NFive. See Database Setup for instructions. 
- MySql.Data.MySqlClient.MySqlException: Table '<database>.boothistories' doesn't exist- If you try to start the server for the first time and receive this error, simply drop the database and try again. 
FiveM License Key
- GlobalError: Could not authenticate server license key. - This error means you do not have a valid FiveM license key in - server.cfg, make sure the file contains a valid- sv_licensekeyline.
Client Errors
- System.Runtime.Serialization.dll is not a platform image (even though the dir matches).- This error can be safely ignored.