phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '79639150667ce7c6da6dc8b71f980934' 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 ('79639150667ce7c6da6dc8b71f980934', -1, 1786567534, 1786567534, 'c0a81013', 2, 0, 0)

Line : 187
File : sessions.php