phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '479afb49a1b7d9df49f650885c2c860e' 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 ('479afb49a1b7d9df49f650885c2c860e', -1, 1714129511, 1714129511, '0389dc78', 36, 0, 0)

Line : 187
File : sessions.php