[ARCHIVED] [SE] Mountain Excursion has Llama Icon when scheduled on calendar

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? Most current (For Rent Patch)
What expansions, game packs, and stuff packs do you have installed? All DLC 
Steps: How can we find the bug ourselves? Plan the Mountain climb excursion in advance on the sims calendar. 
What happens when the bug occurs? You will notice the icon is missing and a grey llama is displayed instead. 
What do you expect to see? A mountain excursion related icon
Have you installed any customization with the game, e.g. Custom Content or Mods? No
Did this issue appear after a specific patch or change you made to your system? Since Snowy Escape launched

Screenshot attached highlights the issue. 

Edit By Crinrict: Removed Season tag as the calendar is a base game feature now.