phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dfc698edde5548a2063b58f5a068164e' 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 ('dfc698edde5548a2063b58f5a068164e', -1, 1741070661, 1741070661, '12d88037', 0, 0, 0)

Line : 187
File : sessions.php