phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1be6f98e7008e9cb73b1eff6fa10cbb0' 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 ('1be6f98e7008e9cb73b1eff6fa10cbb0', -1, 1769030848, 1769030848, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php