phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5131795501b4d436b3e58ffb979e5ed1' 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 ('5131795501b4d436b3e58ffb979e5ed1', -1, 1782664676, 1782664676, 'd849d891', 3, 0, 0)

Line : 187
File : sessions.php