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 ('245ca8065b99567b278b2d6739c9dd3b', -1, 1737657919, 1737657919, '038d2010', -9, 0, 0)

Line : 187
File : sessions.php