Hi folks, Anyone have any ideas what this can be.

This e-mail was generated for technical support purposes.
Sync Type: Delta Sync
Sync Token (before request): 98896
Sync Token (most current): 98898
Store: Zimbra - xxxxxx
Computer Name: xxxxxx
ZCO Version: 6.0.6058.8
Server Version: 6.0.8_GA_2661
Error IDs:
id (40305) type(appointment)