phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2151c4d38f83fd4595763290d5bfb951' 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 ('2151c4d38f83fd4595763290d5bfb951', -1, 1714953138, 1714953138, 'c0a80201', 2, 0, 0)

Line : 187
File : sessions.php