phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7f2083495a573b3729bde759d1e07ac0' 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 ('7f2083495a573b3729bde759d1e07ac0', -1, 1766958334, 1766958334, 'd849d821', -12, 0, 0)

Line : 187
File : sessions.php