phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '03b740ef7b0bb79fc7a293c31f1d37a7' 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 ('03b740ef7b0bb79fc7a293c31f1d37a7', -1, 1769277887, 1769277887, 'd849d814', -4, 0, 0)

Line : 187
File : sessions.php