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 ('2c6768c73436d18bc36997381014c382', -1, 1711706126, 1711706126, '2cdf46a7', 0, 0, 0)

Line : 193
File : sessions.php