Special carachters breaks the search when looking through the body of the email

[Aveyron-RetD]

Steps to reproduce

1. in

2. type réunion in the subject
3. Launch a search
4. remove réunion in the subject
5. type réunion in the body
6. launch a search

Expected behavior

=> Finding mails in both cases

Actual behavior

at step 3 => I can find mails
at step 6 => I have an error message => Impossible to display the message

if I replace réunion => By reunion at step 5
=>mails are found with réunion in the body

Mail app version

4.1.1

Nextcloud version

30.0.3

Mailserver or service

No response

Operating system

No response

PHP engine version

None

Nextcloud memory caching

No response

Web server

None

Database

None

Additional info

No response