phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b238eb33a906e84d1c548375d9e4915d' 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 ('b238eb33a906e84d1c548375d9e4915d', -1, 1766074038, 1766074038, 'd849d823', 86, 0, 0)

Line : 187
File : sessions.php