Unable to create Account with GUI

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When I want to create new account with zimbra web gui, I take next error:

system failure: createAccount
Error code: service.FAILURE
Method: [unknown]
Detail:soap:Receiver

when I change existing acoount , such as name, display name, etc. in section "account name" and press "save" I take next:

system failure: unable to modify attrs: [LDAP: error code 80 - Other]
Error code: service.FAILURE
Method: [unknown]
Detail:soap:Receiver

when I change existing acoount , in another sections, and press "save" , all is well.

when I create account with command "zmprov ca user@domain.com passwd"
all is well.


Zimbra Collaboration Suite Open Source Edition 7.1.4 64bit x86 on Ubuntu 10.04 LTS

[Random]

Update:
Problem solved:
I backup ldap data

/opt/zimbra/libexec/zmslapcat /backup
/opt/zimbra/libexec/zmslapcat -c /backup

delete ldap

rm -rf /opt/zimbra/data/ldap/hdb/*

and restore ldap from backup

mkdir -p /opt/zimbra/data/ldap/hdb/db /opt/zimbra/data/ldap/hdb/logs
/opt/zimbra/openldap/sbin/slapadd -q -n 0 -F /opt/zimbra/data/ldap/config -cv -l /backup/ldap-config.bak
/opt/zimbra/openldap/sbin/slapadd -q -b "" -F /opt/zimbra/data/ldap/config -cv -l /backup/ldap.bak

after start zimbra all is well.