phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5d11bb0eb93784c72d3bdd9e3d012ee7' 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 ('5d11bb0eb93784c72d3bdd9e3d012ee7', -1, 1766164080, 1766164080, 'd849d819', 2, 0, 0)

Line : 187
File : sessions.php