Imperial guard issue.
 

Hey guys. I searched the forum for this question, so I assume I'm the only person with this problem.

When I select IG in Army builder I am unable to select Infantry squad as it simply doesnt exist. There is infantry platoon for 150 points but no infantry squad.

Please help :)

Infantry squads can only be selected as part of an Infantry platoon - see your codex for more details, specifically the very bottom of page 97 that states the squads cannot be selected individually which applies to Infantry squads, Heavy weapon squads, Special wepaon squads, and Conscripts.