Describe the bug
A clear and concise description of what the bug is.
clicking the voice chat button crashes the game saying "The game crashed whilst mouseclicked event handler
Error: java.lang.NullPointerException: mouseClicked event handler
Exit Code: -1"
To Reproduce
Steps to reproduce the behavior:

1. Go to 'esc'
2. Do this 'click the voicechat button'

Expected behavior
A clear and concise description of what you expected to happen.
it should let me configure the mod when i click the voice chat button.
Screenshots
If applicable, add screenshots to help explain your problem.

Versions

• Mod version: voice_chat-1.15.12-0.1.0.3
• Minecraft version: 1.15.2
• Forge version: 1.15.2-forge-31.2.47
• UTeamCore version: u_team_core-1.15.2-3.0.2.169

Log (if crash occures)

Link to crash log https://www.mediafire.com/file/pyjdj76dj08he8b/crash-2020-12-18_12.17.56-client.txt/file