java.lang.NullPointerException: keyPressed event handler

What the log looks like

java\.lang\.NullPointerException: keyPressed event handler
Description: keyPressed event handler

How to fix it

1. Open your crash report and check the very first `at ...` line right under `java.lang.NullPointerException: keyPressed event handler` to identify the crashing mod (for example, `me.shedaniel.rei` is Roughly Enough Items and `com.replaymod` is ReplayMod).
2. Update the mod named on that top stack trace line—and any library it depends on, such as Architectury API—to the latest release for your Minecraft version.
3. If the crash occurs while typing in JEI/REI or pressing the recipe/uses keybind (`R` or `U`), note which item or search term triggered it and update both your recipe viewer and the mod that adds that item.
4. Open `Options -> Controls` in Minecraft and check whether multiple mods have actions bound to the exact key that caused the crash, then reassign conflicting hotkeys.
5. If the crash happens inside a custom mod menu while OptiFine or OptiFabric is installed, temporarily remove OptiFine/OptiFabric to confirm whether its GUI patches broke the mod's screen.

Check your own log