phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '84b693ed9f83e7590e19880616cc29a6' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('84b693ed9f83e7590e19880616cc29a6', -1, 1767687785, 1767687785, 'd849d81e', -4, 0, 0)

Line : 215
File : sessions.php