Protoss has a command to “select all warpgates”, which by default is the “W” key.
In Coop mode, when you play as the Alarak Commander, if you summon the Mothership , while its in play, the “Select all WarpGates” command is overwritten and when you click “W”, instead of selecting all warpgates as normal, it selects the mothership.
This is a problem, because while you are fighting you cannot select your warpgates to summon more units.
You have to either have your warpgates in a control group or manually select them.
Just pretend you’re playing a non-toss commander (or Zeratul), and set your gates to 5 or something. I agree it’s a slight inconvenience, but there’s a surprisingly easy and simple fix - literally just hotkey them