error

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x109d9b1]

goroutine 1 [running]:
github.com/sony/sonyflake.(*Sonyflake).NextID(0x0, 0x0, 0x0, 0x0)
	/Users/necrogami/code/gocode/src/github.com/sony/sonyflake/sonyflake.go:89 +0x41
github.com/osamingo/indigo.(*Generator).NextID(0xc42000c480, 0x0, 0x113b5e0, 0x0, 0x0)
	/Users/necrogami/code/gocode/src/github.com/osamingo/indigo/indigo.go:43 +0x32
main.init.1()
	/Users/necrogami/code/gocode/src/github.com/necrogami/test/main.go:18 +0xcb
main.init()
	/Users/necrogami/code/gocode/src/github.com/necrogami/test/main.go:42 +0x58
exit status 2

main.go

package main

import (
    "log"
    "sync"
    "time"

    "github.com/osamingo/indigo"
)

var g *indigo.Generator

func init() {
    g = indigo.New(indigo.Settings{
        // 2009-11-10 23:00:00 UTC
        StartTime: time.Unix(1257894000, 0),
    })
    _, err := g.NextID()
    if err != nil {
        log.Fatalln(err)
    }
}

func main() {

    wg := sync.WaitGroup{}
    wg.Add(100)
    for i := 0; i < 100; i++ {
        go func() {
            defer wg.Done()
            id, err := g.NextID()
            if err != nil {
                log.Fatalln(err)
            } else {
                log.Println("ID:", id)
            }
        }()
    }

    wg.Wait()
}

I'm also seeing this problem.
Do you have a fix?