phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6b02d23d63353d5f6f14f8bf00a17bd8' 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 ('6b02d23d63353d5f6f14f8bf00a17bd8', -1, 1764622128, 1764622128, 'd849d825', -2, 0, 0)

Line : 187
File : sessions.php