WowAce

What version of Grid2  are you using (Version is displayed in General/About Tab) ?

 2.9.19

What game client version, classic or retail, windows or mac and language are you using ?

 Retail-Windows

What steps will reproduce the problem?

  Enabling "Display Bossess Units
Did you try having Grid2 as the only enabled addon and everything else disabled?

  yes

Was it working in a previous version? If yes, which was the last good one?

  It worked with the previous game version 

Do you have an error log of what happened? If you don't see any errors, make sure that error reporting is enabled (`/console scriptErrors 1`) or install [BugSack](https://mods.curse.com/addons/wow/BugSack).

Please provide any additional information below.

 Phote of issue

 https://imgur.com/a/Pc7aDoj

You are describing the normal/default behaviour.  Maybe you want to hide the units if there is no bosses, in this case:

1. Goto General/Appearance/Layout: Disposition Tab

2. In The "Header Types" section click on the "Bosses" Tab.

2. Enable the "Hide Empty Units" option.

Thank you!!!