HWNEM0120E IBM Spectrum Control is unable to communicate with the element manager, the problem could be the element manager is not running, a network communication error or user credentials stored in IBM Spectrum Control are incorrect.

Explanation

A token is required to be exchanged for launching the element manager. No valid token is available. This could be for a number of reasons such as: the element manager might not be running, the network connection might be broken or the element manager user credentials might be wrong.