As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED RECIEVING A VENT SKIN VALVE FAULT ECAM MESSAGE DURING TAKE OFF ROLL, AT AROUND 50 KNOTS. ACCOMPLISHED AN ABORTED TAKE OFF. RAN THE ECAM PROCEDURE WHICH INTURN CLEARED THE ECAM. THE FLIGHT DEPARTED WITHOUT FURTHER ISSUE.