phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c659dcba5e2ff4c025fc42b288fcb01e' for key 'phpbb2_sessions.PRIMARY'

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c659dcba5e2ff4c025fc42b288fcb01e', -1, 1786578601, 1786578601, 'd849d80b', 0, 0, 0)

Line : 187
File : sessions.php