Edit Query Specification Error

Hey evebody,

I've created one dashboard with unx, but one unx using a sap jco connection seeing a BW cube. When i go edit the query specification, the application show me the following error.

I've using the same unx in Web Intelligence and in Xcelsius , without problems. Just occur in Design Studio.

Windows SO

Design Studio 1.6 SP3

BO 4.1 SP7 Patch 1

BW 7.4

I'll attaching the log for more error details.

Thanks!