why do i get this error, and how to solve it ? :
 
 
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REG-FO_A@localhost> create_domain ubb.fo ID004333 NULL NS2 (12 m) ID004333
Client-side validation command:
xmllint --noout --schema "/usr/share/fred-client/schemas/all-1.4.xsd" -
Do you really want to send this command to the server? (y/N): y
Client-side validation command:
xmllint --noout --schema "/usr/share/fred-client/schemas/all-1.4.xsd" -
Return code:              2200
Reason:                   Authentication error
 
COMMAND: domain:create
<?xml version="1.0" encoding="utf-8" standalone="no"?><epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd"><command><create><domain:create xmlns:domain="http://www.nic.cz/xml/epp/domain-1.3" xsi:schemaLocation="http://www.nic.cz/xml/epp/domain-1.3 domain-1.3.xsd"><domain:name>ubb.fo</domain:name>
<domain:period unit="m">12</domain:period>
<domain:nsset>NS2</domain:nsset>
<domain:registrant>ID004333</domain:registrant>
<domain:admin>ID004333</domain:admin>
</domain:create>
</create>
<clTRID>jjzt002#10-03-22at19:39:42</clTRID>
</command>
</epp>
 
ANSWER:
<?xml version="1.0" encoding="UTF-8"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0 epp-1.0.xsd"><response><result code="2200"><msg>Authentication error</msg>
</result>
<trID><clTRID>jjzt002#10-03-22at19:39:42</clTRID>
<svTRID>ccReg-0000000224</svTRID>
</trID>
</response>
</epp>