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) VALUES ('8d0cf6ac6b69a9cd31396719498434c4', -1, 1715717544, 1715717544, '038a5548', 16, 0)

Line : 158
File : sessions.php