Java Script Error - Configuration>Servers

[jaydorado]

got this error when modifying and saving parameters under Configuration>Servers


JavaScript error encountered in method ZaXFormViewController.prototype.fireChangeEvent

message: this._toolbar is undefined fileName: https://my.domain.com:7071/zimbraAdm...v=091020205827 lineNumber: 1658 stack: ()@https://my.domain.com:7071/zimbraAdmin/js/Admin_all.js.zgz?v=091020205827:1658 ([object Object])@https://my.dmain.com:7...

[stardust]

I've got the same in similar conditions (Ubuntu 8.04.3 & Zimbra 6.0.2) during modifications of server's POP parameters.
Any comments?