phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3f2c79283ab7fefcd78373e5734e79d7' 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 ('3f2c79283ab7fefcd78373e5734e79d7', -1, 1791588366, 1791588366, 'd849d829', -4, 0, 0)

Line : 187
File : sessions.php