phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a6ccd25c74666fef9650a3769f9cd27b' 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 ('a6ccd25c74666fef9650a3769f9cd27b', -1, 1754282616, 1754282616, 'd849d89d', 9, 0, 0)

Line : 187
File : sessions.php