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 ('6e082881d0396bde5d6855dc6e943c76', -1, 1737631653, 1737631653, '12d80be6', -9, 0, 0)

Line : 187
File : sessions.php