phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'eaff661f868ed429411a79410a95d2f0' 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 ('eaff661f868ed429411a79410a95d2f0', -1, 1773758549, 1773758549, 'd849d813', 26, 0, 0)

Line : 187
File : sessions.php