Search function does not work in JD-GUI 1.6.6

[ScorpionKing34]

Dear creators,

The search function does not work, see below image. So when I try to search for string 'bluebird.app.jwtSecret' it does not find it but the string does exist:

┌──(kali㉿kali)-[~]
└─$ java --version

openjdk 21.0.7-ea 2025-04-15
OpenJDK Runtime Environment (build 21.0.7-ea+8-Debian-1)
OpenJDK 64-Bit Server VM (build 21.0.7-ea+8-Debian-1, mixed mode, sharing)

JD-GUI version:

Can you fix this?