phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b78c06a068c7abb76725f989716b4351' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, priv_session_id) VALUES ('b78c06a068c7abb76725f989716b4351', -1, 1714176755, 1714176755, 'ac47ff17', -9, 0, 0, '83bf934f6159bd4f269544cf5f64f639')

Line : 187
File : sessions.php