I restarted PI.
After that, the "adpter engine" line (link) disapperead from the page RWB - component monitoring.
PI is running, it is exchanging data with Ecc and Thirdy Party systems.
How to solve the problem ?
To arrive to "defective" screen:
http://host:5xx00/rwb/index.jsp --> component monitoring --> component with status all --> display
Under domain xx, under integration server, there is no adapter engine line/link