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 ('7810262a64ea393924ebf5b21e5c6473', -1, 1711710976, 1711710976, '12e83e86', 0, 0, 0)

Line : 193
File : sessions.php