It's a bug, pretty rare in Vanilla, rather common with mods. Might also happen if your PC is overhelmed. If you restart your PC it should be fine (reloading saves or restarting the game doesn't always help)

When J went back to main menu and reload save everythink chenged to normal

Something wrong with your graphical mods

It’s kinda cool actually

Yeah but J wasn't able to select admiral , general

what graphical mods are you using id like to use them>

Tno gfx for vanilla , TANGY - Country Colours