phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a6fef3cdc9c851623f7df39b858806eb' 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 ('a6fef3cdc9c851623f7df39b858806eb', -1, 1714175891, 1714175891, '038ec681', 13, 0, 0)

Line : 187
File : sessions.php