phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '04391a8ea1c0e4e52ae3f731bab9268a' 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 ('04391a8ea1c0e4e52ae3f731bab9268a', -1, 1767404079, 1767404079, 'd849d819', 9, 0, 0)

Line : 187
File : sessions.php