phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f98862e55f82df5e110ea06fc7e96fe3' 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 ('f98862e55f82df5e110ea06fc7e96fe3', -1, 1769888077, 1769888077, 'd849d851', -4, 0, 0)

Line : 187
File : sessions.php