phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6add721b581532c90db03ead221c148d' 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 ('6add721b581532c90db03ead221c148d', -1, 1711719548, 1711719548, '23ac79da', 0, 0, 0)

Line : 187
File : sessions.php