XStick Status:0x25?Unexpected state

Dear digi expert.

Im using the ‘ConnectPort X2 for Smart Energy Starter Kit’ and my XStick can not join the network successfully created by ConnectPort X2. The error code of AI (Association Indication)is 0x25, where am I doing wrong?

You can find the detail setting of ConnectPort X2 and the XStick as below:

Use default settings on the XZtick and try joining