[BUG] ERROR: Exception during Config::unlock() : unordered_map::at

[eval-exec]

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Describe the bug

I open btop, then hit P, P, P, P, then btop exit, and print:

ERROR: Exception during Config::unlock() : unordered_map::at

To Reproduce

1. open btop
2. hit P
3. hit P
4. hit P
5. hit P
6. .. repeat
7. btop will exit after hit P

Expected behavior
btop should not exit

Screenshots

Info (please complete the following information):

• btop++ version: btop --version

btop version: 1.4.0
Compiled with: g++ (13.3.0)
Configured with: cmake -DBTOP_STATIC=OFF -DBTOP_USE_MOLD=OFF -DBTOP_FORTIFY=ON -DBTOP_GPU=ON

• Binary: from release
• Architecture: [x86_64, aarch64, etc.] x86_64
• Platform: Linux
• (Linux) Kernel: 6.12.7
• (OSX/FreeBSD) Os release version: NixOS 24.11
• Terminal used: alacritty
• Font used: JetBrains Mono

Additional context

Contents of ~/.config/btop/btop.log

2025/01/09 (21:07:45) | ===> btop++ v.1.4.0
2025/01/09 (21:07:45) | WARNING: Intel GPU: Failed to initialize PMU
2025/01/09 (21:08:03) | ERROR: Exception during Config::unlock() : unordered_map::at