phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '98741209ca6c17615f174a68c51b3ba2' 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 ('98741209ca6c17615f174a68c51b3ba2', -1, 1770363329, 1770363329, 'd849d88f', -4, 0, 0)

Line : 187
File : sessions.php