phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9003c342fb6243f92cb7e2dfd54f0fe3' 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 ('9003c342fb6243f92cb7e2dfd54f0fe3', -1, 1768517766, 1768517766, 'd849d86d', -4, 0, 0)

Line : 187
File : sessions.php