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 ('3994d1b2694d96145144643bf209789b', -1, 1737627510, 1737627510, '12750be9', 4, 0, 0)

Line : 187
File : sessions.php