phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffc12550e6078384b03d5fef5a450491' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ffc12550e6078384b03d5fef5a450491', -1, 1715245802, 1715245802, '03907fe8', -4, 0, 0)

Line : 187
File : sessions.php