Sycle had an issue for several days (from April 6th/7th to April 19th) whereby the action references for modules were not being saved.  This was caused by some database changes that were made in preparation for future updates. Because those action references were not saved, the fitting module actions are not tied to each other, and the fitting module does not know at what point the session should be launched.  The problem has been resolved and further questions can be directed to Sycle support.