fix bug http://savannah.cern.ch/bugs/?88129: subscribe() fails with uncaught exception, if tested files is not valid; now ers::fatal is printed and unsubscribe() takes place
AI coding assistants: please let us know about your needs, preferences and usage - fill in this survey: https://forms.office.com/e/axzFvLryse. Thanks for your participation!
fix bug http://savannah.cern.ch/bugs/?88129: subscribe() fails with uncaught exception, if tested files is not valid; now ers::fatal is printed and unsubscribe() takes place