The EES regulations are designed to replace passport stamps and curb overstays in the Schengen area. The system requires non-EU travelers to register fingerprints and a facial image the first time they cross the bloc's borders for a short stay.
Because French authorities had not yet switched on the machines used for these checks, officials had to create individual traveler profiles, leading to long waiting times, the BBC said in a report. To ease the situation, the biometric measures have been temporarily suspended.
The port later on Saturday said in social media posts that traffic was free flowing again and that passengers who had missed their ferry crossing due to long waiting times would be transferred to the next available vessel free of charge.
