phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cd0fa6bc5166032b24d9d68967572b20' 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 ('cd0fa6bc5166032b24d9d68967572b20', -1, 1770349598, 1770349598, 'd849d870', 11, 0, 0)

Line : 187
File : sessions.php