[urus]

You have wrong location psstats.
Must be:

"Databases"
{
    "driver_default"        "mysql"
    
    "default"
    {
        "driver"            "default"
        "host"                "localhost"
        "database"            "sourcemod"
        "user"                "root"
        "pass"                ""
        //"timeout"            "0"
        //"port"            "0"
    }
    
    "storage-local"
    {
        "driver"            "sqlite"
        "database"            "sourcemod-local"
    }

    "psstats" 
    {        
        "driver" "mysql"        
        "host" "127.0.0.1"        
        "database" "psychostats"        
        "user" "xxx"        
        "pass" "xxx"        
        //"timeout" "0"        
        "port" "3306" 
     }
}