phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7a54d6a3060100b516b2dbaf3040abda' 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 ('7a54d6a3060100b516b2dbaf3040abda', -1, 1558315498, 1558315498, '12ea3311', -9, 0, 0)

Line : 198
File : sessions.php