Error creating users in LDAP when phone field is empty

[hectorm]

Describe the bug When the phone field is empty, the LDAP creation request sends this attribute empty and the server returns an error.

To Reproduce Steps to reproduce the behavior:

1. Go to Users.
2. Click on Add new.
3. Fill in all fields except the phone number.
4. Click on Add new.

Expected behavior If the phone field is empty, the LDAP creation request does not send this attribute.

Version information

• Defguard Core version: v1.1.4
• 389 Directory Server: v3.1.1

Screenshots LDAP request captured by Wireshark: