phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ca6cfe8172f4a4f58ef5a4eef66731e8' 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 ('ca6cfe8172f4a4f58ef5a4eef66731e8', -1, 1714034384, 1714034384, '12bc8e92', 15, 0, 0)

Line : 187
File : sessions.php