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 ('45e97661f780cc48b451684a8b13912b', -1, 1594699901, 1594699901, '03ec3b3f', -4, 0, 0)

Line : 187
File : sessions.php