phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2c9285989a8d27c3e17ff3cd3dd042de' 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 ('2c9285989a8d27c3e17ff3cd3dd042de', -1, 1766722395, 1766722395, 'd849d819', 14, 0, 0)

Line : 187
File : sessions.php