phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('10d20e25ef5c1b6f6d4d82d8e24de424', -1, 1713523259, 1713523259, '12e2bbc7', 3, 0, 0)

Line : 187
File : sessions.php