Fulltextsearch seems broken under certain conditions

[kelson42]

I have loaded two "generations" of the same Gutenberg title:

$ ls *mul*
gutenberg_mul_all_2023-05.zim  gutenberg_mul_all_2023-08.zim
$ kiwix-serve --port=8080 *mul*zim
The Kiwix server is running and can be accessed in the local network at: http://192.168.0.168:8080

Once online, I have chosen one and started a fulltext search and I have got:

This looks like a bug, why I'm not able to fulltext search in my ZIM file?

[kelson42]

@veloman-yunkan I never have seen this error before, I suspect this has been introduced quite recently.