phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21c3266d265f9576428e91c8d1500724' 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 ('21c3266d265f9576428e91c8d1500724', -1, 1715632715, 1715632715, '12d8158a', -1, 0, 0)

Line : 187
File : sessions.php