phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '435d6d4c2a35d822d7371397f3ad33ca' 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 ('435d6d4c2a35d822d7371397f3ad33ca', -1, 1728257173, 1728257173, '7f000001', 1, 0, 0)

Line : 187
File : sessions.php