phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6ffdcd2b03c4f9d632ea61e484f40730' 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 ('6ffdcd2b03c4f9d632ea61e484f40730', -1, 1713568703, 1713568703, '1276c888', 5, 0, 0)

Line : 187
File : sessions.php