phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b233d408c698d846e770c3d8c37cac5d' 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 ('b233d408c698d846e770c3d8c37cac5d', -1, 1768532306, 1768532306, 'd849d8ad', 5, 0, 0)

Line : 187
File : sessions.php