phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '24705b37b74bf6b05c8b578be1af231e' 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) VALUES ('24705b37b74bf6b05c8b578be1af231e', -1, 1788679838, 1788679838, 'c0a81013', -9, 0, 0)

Line : 187
File : sessions.php