phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '838ce8adae3ac9a0609514e8d5ef9a4c' 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 ('838ce8adae3ac9a0609514e8d5ef9a4c', -1, 1743477735, 1743477735, '340e8a7b', -4, 0, 0)

Line : 185
File : sessions.php