phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '84b15c5f348c2419f988c32b6bc1f5a0' 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 ('84b15c5f348c2419f988c32b6bc1f5a0', -1, 1714907401, 1714907401, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php