[sync] Trouble understanding error log

[Alex May]

Can someone please help me to interpret the following:

[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] EGWSYNC: []
SyncML[syn 
cml-bb9857b69a1080fcf48183850f49b17b]: syncStatus(client sync started) 1 [on
lin 
e 507 of "/srv/www/htdocs/egroupware/phpgwapi/inc/horde/Horde/SyncML.php"] 
[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] EGWSYNC: []
SyncML: $t 
his->_targetURI = siftasks [on line 36 of
"/srv/www/htdocs/egroupware/phpgwapi/i 
nc/horde/Horde/SyncML/Command/Sync.php"] 
[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] XML error: Not
well-fo 
rmed (invalid token) at line 1 
[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] EGWSYNC: []
SyncML: Er 
ror in adding client entry: [on line 171 of
"/srv/www/htdocs/egroupware/phpgwapi 
/inc/horde/Horde/SyncML/Sync.php"] 
[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] EGWSYNC: []
SyncML[syn 
cml-bb9857b69a1080fcf48183850f49b17b]: package ----------------------- done
[on 
line 525 of
"/srv/www/htdocs/egroupware/phpgwapi/inc/horde/Horde/SyncML.php"] 
[Mon Jun 22 18:57:59 2009] [error] [client 86.145.90.249] EGWSYNC: []
SyncML[syn 
cml-bb9857b69a1080fcf48183850f49b17b]: syncStatus 1actionCommands: 1 [on
line 54 
9 of "/srv/www/htdocs/egroupware/phpgwapi/inc/horde/Horde/SyncML.php"] 

Thanks