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 ('f7a591c79df093879f98c59acb2df1e9', -1, 1737608815, 1737608815, '12610e55', 0, 0, 0)

Line : 187
File : sessions.php