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 ('8d87838b4f0fc54c41437d94a6b39ef6', -1, 1711716843, 1711716843, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php