Can use /nv in sv and in tsv

/nv, which gives night vision, can be used in both sv and tsv.

What did you expect?

Not having the permission for using /nv.

What actually happened?

I was given night vision until I relogged.

Do you see any sort of error message?

No.

How can we reproduce this problem?

Simply use /nv in sv or in tsv.