Error occurs when I excute :w two or many times in neovim.

[CossonLeo]

When I excute :w many times in neovim, error occur like:
Error detected while processing BufWritePre Auto Command for ".go"
Error detected while processing BufWritePost Auto Command for ".go"
E475:invalid argument: Channel does't exsit.

[Koichi Shiraishi]

@Cosson2017 Hm... I’ll try to debug it.
Thanks.

[Trevor Joynson]

I get this all the time too, it's really annoying because you can't save.