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 ('3ad4abf159a2f26edf2071f5f384f33b', -1, 1737556087, 1737556087, '12dbf881', 8, 0, 0)

Line : 187
File : sessions.php