phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8b5e5449a857431891f919b8fa3ddb18' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('8b5e5449a857431891f919b8fa3ddb18', -1, 1768205118, 1768205118, 'd849d83b', 31, 0)

Line : 180
File : /www/includes/sessions.php