phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d04cea62009151e3e73df25dbe0e88f' 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 ('5d04cea62009151e3e73df25dbe0e88f', -1, 1773674245, 1773674245, 'd849d815', -4, 0, 0)

Line : 187
File : sessions.php