There's a glitch that may affect modded and unmodded games, with or without CC, which causes lots of deformities in your sims' faces. Rolling back to the previous version might help and solve your problem instantly.
Thanks to The Sims VIP you can see an up to date list with the mods that are broken, obsolete or working well with The Sims 4 188.8.131.520 from January 17th, 2023.
Thanks to The Sims VIP you can see an up to date list with the mods that are broken, obsolete or working well with The Sims 4 184.108.40.2060 from October 11th, 2022
The Sims 4 High School Years was released a few weeks ago, shortly after The Sims 4 Mega Update 1.90.358.1030, then they tried to patch the game quickly for a few serious errors (random aging etc), unsuccessfully making things worse (like... really bad, with all saves disappearing for some users of The Sims 4 1.90.375.1020) and without removing the issues it should fix. Now we know The Sims 4 220.127.116.110 is the next version and likely comes right before The Sims 4 Desert Luxe Kit Pack...
The Sims 4 High School Years was released a few days ago, shortly after The Sims 4 Update 1.90.358.1030 and, even though it was a massive update to the game that brought exciting things like curved walls, sexual orientation, wants & needs and much more to the base game they also broke many things, some of them being addressed by this patch 1.90.375.1020 released today, August 2nd, 2022!
This Sims 4 Language Changer has all necessary language string files and it's very easy to use and updated to be compatible with any version of The Sims 4 1.72.28.xxxx [March or April 2021]
Sometimes, especially after a major update, The Sims 4 refuses to start, freezes randomly or doesn't let you do basic things like place objects or change your Sim's appearance. Find below what to do to be able to play again!