phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6e853760b7592dddcbcb17063c860af5' 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 ('6e853760b7592dddcbcb17063c860af5', -1, 1766941675, 1766941675, 'd849d819', 7, 0, 0)

Line : 187
File : sessions.php