my zimbra desktop fail with this message.

zdesktop error report (2013-02-26 11:48:16): no exception

Product name: Zimbra Desktop
Product version: 7.2.1
Build ID: 11637
Release type: GA
OS Platform: Windows XP x86 5.1
Time of event: 2013-02-26 11:48:16
Error type: no exception
Item ID: 2625
Error summary: missing msg ids [2625, 2628, 2629, 2632, 2635, 2636, 2637, 2638, 2640, 2661, 2662, 2663, 2664, 2665, 2668, 2669, 2678, 2682, 2684, 2687, 2688, 2690, 2692, 2693, 2699] from server response

I don't understand what is "missing msg ids" is a server error? or a zimbra desktop error? and what represent?

How to solve it. Thanks