phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ee21b41cc788a9f2f0420d1cdefa8f03' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ee21b41cc788a9f2f0420d1cdefa8f03', -1, 1775826080, 1775826080, 'd849d895', -4, 0, 0)

Line : 187
File : sessions.php