phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '714b8a6afe265e3637f1b27c06db19f9' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('714b8a6afe265e3637f1b27c06db19f9', -1, 1766014051, 1766014051, 'd849d8a4', 18, 0, 0)

Line : 187
File : sessions.php