[OLD] Broken/Updated Mods & CC: Mar. '21 Bunkbeds Patch

Just a quick question. I'm not looking for technical help. I'm just curious.
I just got a windows 10 gaming computer. I finally got around to installing sims 4 and transferring my saves and mods over. I was playing with no issues at all and with no warning it crashed.

My question is, can outdated/not updated mods cause the game to crash?

If so, then I'll have to do a massive update. If not, then I don't know what caused it to crash.
Everything on my computer is current. I checked.