Bukkit

What steps will reproduce the problem?
1.If you try to put the command in the config file in a kit: 'potion nightvision 100000 2' or 'potion dmgresistance 100000 2' or 'potion invisibility 100000 2' in the section commands.
2.
3.

What is the expected output? What do you see instead?
nothing changes at all

What version of the product are you using?

Do you have an error log of what happened?
Unfortunately,nope

Please provide any additional information below.
Please fix this problem