Hello, now I realized, that this problem does not only affect account modifications, but also the creation of new accounts.
I took a closer look at the problematic code in `plugins/personal/generic/class_user.inc` around line 1355: ``` if ($this->config->get_cfg_value("core","accountPrimaryAttribute") != "uid"){ $ldap->cat($this->new_dn); if ($ldap->count() != 0 && $this->dn != $this->new_dn && $this->dn == 'new'){ $message[]= msgPool::duplicated(_("Name")); } } ``` The above code was changed in 2022 (f9076ea89512): ``` - $ldap->cat($this->new_dn); - if ($ldap->count() != 0 && $this->dn != $this->new_dn && $this->dn == 'new'){ + $ldap->cat($ldap->count); + if ($ldap->count != 0 && $this->dn != $this->new_dn && $this->dn == 'new'){ ``` I lack the understanding for the `cat()` call. But the direct `ldap->count` access (instead of `ldap->count()`) looks weird to me. In the end I decided to disable (comment) the whole `if` block (see the first code quotation). Now the code does not check for duplicate uid entries anymore, but at least we can create and modify user accounts again. Cheers, Lars