Actual Behavior

When saving a page with a category I get the following zend error
[2025-10-29T15:49:24.795061+01:00] request.CRITICAL: Uncaught PHP Exception Error: "Maximum call stack size of 8339456 bytes (zend.max_allowed_stack_size - zend.reserved_stack_size) reached. Infinite recursion?" at SerializationHelper.php line 16 {"exception":"[object] (Error(code: 0): Maximum call stack size of 8339456 bytes (zend.max_allowed_stack_size - zend.reserved_stack_size) reached. Infinite recursion? at /data/sites/web/<user>/subsites/<subsite>/vendor/jms/metadata/src/SerializationHelper.php:16)"} []

Expected Behavior

It should save the page without any errors.

Steps to Reproduce

1. Create a new category
2. Create a new page (or edit the homepage)
3. Add the category to the page
4. Save & Publish

Possible Solutions

Extra information

Stacktrace: https://hst.sh/ejekehijaq.csharp
Operating system: Linux 6.1.141-hcl #deb11 SMP Wed Jun 18 12:41:58 UTC 2025 x86_64 GNU/Linux
Loaded in PHP extensions:
Core: 8.4.14
date: 8.4.14
libxml: 8.4.14
openssl: 8.4.14
pcre: 8.4.14
sqlite3: 8.4.14
zlib: 8.4.14
bcmath: 8.4.14
bz2: 8.4.14
calendar: 8.4.14
ctype: 8.4.14
curl: 8.4.14
dba: 8.4.14
dom: 20031129
json: 8.4.14
fileinfo: 8.4.14
filter: 8.4.14
ftp: 8.4.14
gd: 8.4.14
gettext: 8.4.14
gmp: 8.4.14
hash: 8.4.14
iconv: 8.4.14
intl: 8.4.14
SPL: 8.4.14
ldap: 8.4.14
mbstring: 8.4.14
session: 8.4.14
standard: 8.4.14
mysqlnd: mysqlnd 8.4.14
mysqli: 8.4.14
odbc: 8.4.14
PDO: 8.4.14
pdo_dblib: 8.4.14