phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d01d01450cc0aebd29e28034625cf74' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5d01d01450cc0aebd29e28034625cf74', -1, 1228438011, 1228438011, '26673f3b', 2, 0, 0)

Line : 193
File : sessions.php