phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4c83ae16852c7b2bbd2997063bc3ab6' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b4c83ae16852c7b2bbd2997063bc3ab6', -1, 1766153372, 1766153372, 'd849d8a2', 2, 0, 0)

Line : 187
File : sessions.php