Steps to reproduce the issue

Create a login menu item
Enable maximum error reporting
Visit login link in the front end

Expected result

no notices etc

Actual result

Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in components\com_users\tmpl\login\default_login.php on line 36

Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in components\com_users\tmpl\login\default_login.php on line 48

System information (as much as possible)

php 8.1

Additional comments