Minecraft 1.16.4
Forge 35.1.37
MineMenu 1.8.7
Ping 1.6.9
My latest.log (there is no crash or error I can see...)

Have just reinstalled Ping and MineMenu. The Ping individual keybinds work totally fine, up until I use any single one of them inside of MineMenu. Once I do this, they ALL stop working whatsoever, both inside and outside of MineMenu.

Following this, MineMenu then also refuses to reload and accept (correct!) manual changes to menu.json.

From previous experience, Ping refuses to work even if you disable MineMenu and relaunch - you have to literally reinstall Ping before it starts working again.

TL;DR trying to use Ping in MineMenu breaks both mods, badly.

Pretty sure I fixed this a while back, but just forgot to close it :)
If this still occurs in 1.18, please report it again and refer to this issue.