Lumira 1.22 error when connecting BW

Dear,

I want to create a New Dataset on top of BW, when I try to connect BW i got this message:

while trying to invoke the method com.sap.ip.bi.zen.connectivity.IBackendServices.isConnectionUpAndRunning(java.lang.String) of a null object returned from com.sap.ip.bi.zen.IDesignerEnvironmentBase.getBackendServices()while trying to invoke the method com.sap.ip.bi.zen.connectivity.IBackendServices.isConnectionUpAndRunning(java.lang.String) of a null object returned from com.sap.ip.bi.zen.IDesignerEnvironmentBase.getBackendServices()

[object Object]

Could you help me ?

Regards,

Fabrício