phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '306b1ef700ec777f213744d3ff4b20eb' 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 ('306b1ef700ec777f213744d3ff4b20eb', -1, 1758060160, 1758060160, 'd849d863', 41, 0, 0)

Line : 187
File : sessions.php