When trying to launch the game (whether in vanilla or with mods) I always get hit with the same unable to download file

So I click play and I get:
Failed to download file.
Name: af_za.json
URL: https://resources.download.minecraft.net/5c/5cb7a27c2aac31fd77b39c387de9679171b0c6c6
Error details: SSL peer handshake failed, the server most likely requires a client certificate to connect
Filename on disk: 5cb7a27c2aac31fd77b39c387de9679171b0c6c6
Path: /Users/***myname***/Library/Application Support/minecraft/assets/objects/5c/5cb7a27c2aac31fd77b39c387de9679171b0c6c6
Exists: Nonexistent