Put the summary of the bug you're having here
What I expected to happen was for me to be able to type words in the chat
What actually happened was my Minecraft crashed
Steps to Reproduce:
1. Log in to Minecraft.
2. Join server.
3. Attempt to send chat message.
Based on a crash report provided in this issue, I believe with high certainty that this report may be a duplicate of MC-20163. You can view all information known about this specific crash at MCX-878.