phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fd0b84f39d8f6738158f64305adf31a2', -1, 1737597945, 1737597945, '038f0372', 9, 0, 0)

Line : 187
File : sessions.php