SOLVED
Upgrading my old debian 9 to debian 10 with this dependency version
Flarum core: 1.8.1
PHP version: 7.4.29
MySQL version: 10.3.34-MariaDB-0+deb10u1
Loaded extensions: Core, date, libxml, openssl, pcre, zlib, filter, hash, pcntl, Reflection, SPL, session, standard, sodium, mysqlnd, PDO, xml, calendar, ctype, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, iconv, imap, json, exif, mysqli, pdo_mysql, Phar, posix, readline, shmop, SimpleXML, soap, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlrpc, xmlwriter, xsl, zip, Zend OPcache
+----------------------+---------+--------+
| Flarum Extensions | | |
+----------------------+---------+--------+
| ID | Version | Commit |
+----------------------+---------+--------+
| flarum-flags | v1.8.0 | |
| flarum-suspend | v1.8.0 | |
| flarum-tags | v1.8.0 | |
| fof-spamblock | 1.1.0 | |
| fof-oauth | 1.4.1 | |
| flarum-approval | v1.8.0 | |
| v17development-seo | v1.8.0 | |
| sycho-profile-cover | v1.3.5 | |
| fof-webhooks | 1.2.1 | |
| fof-user-bio | 1.2.0 | |
| fof-stopforumspam | 1.2.3 | |
| fof-socialprofile | 1.1.5 | |
| fof-sitemap | 1.0.3 | |
| fof-recaptcha | 1.3.0 | |
| fof-reactions | 1.2.0 | |
| fof-best-answer | 1.3.1 | |
| flarum-subscriptions | v1.8.0 | |
| flarum-sticky | v1.8.0 | |
| flarum-statistics | v1.8.0 | |
| flarum-mentions | v1.8.2 | |
| flarum-markdown | v1.8.0 | |
| flarum-lock | v1.8.0 | |
| flarum-likes | v1.8.0 | |
| flarum-lang-english | v1.8.0 | |
| flarum-emoji | v1.8.0 | |
| flarum-bbcode | v1.8.0 | |
+----------------------+---------+--------+
Base URL: https://xxxxx
Installation path: /var/www/html/forum
Queue driver: sync
Session driver: file
Scheduler status: core.admin.dashboard.status.scheduler.active
Mail driver: smtp
Debug mode: off
```