phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6fddc74d5e43c32a346f429084df48f5' 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 ('6fddc74d5e43c32a346f429084df48f5', -1, 1765980965, 1765980965, 'd849d8be', 1, 0, 0)

Line : 187
File : sessions.php