I am using the desktop and i always get this message. Any thoughts on how to solve?

TY

message - _24d has no properties
fileName - http://localhost:7633/zimbra/js/Zimb...v=070130033225
lineNumber - 3307
stack - (undefined)@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:3307
([object Object])@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:3698
([object Object])@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:14921
([object Object])@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:14854
([object Object])@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:14800
([object Object],[object Object])@http://localhost:7633/zimbra/js/ZimbraCore_all.js.zgz?v=070130033225:14749
apply([object Object],[object Array])@:0
([object Object])@http://localhost:7633/zimbra/js/Boot_all.js.zgz?v=070130033225:541
([object Object],[object Object])@http://localhost:7633/zimbra/js/ZimbraLogin_all.js.zgz?v=070130033225:386
apply([object Object],[object Array])@:0
([object Object])@http://localhost:7633/zimbra/js/Boot_all.js.zgz?v=070130033225:541
([object Object],[object Object])@http://localhost:7633/zimbra/js/AjaxLogin_all.js.zgz?v=070130033225:3849
()@http://localhost:7633/zimbra/js/AjaxLogin_all.js.zgz?v=070130033225:3804
@:0

name - TypeError