phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5c9f7d8c3c839422c268c615467bc6d7' 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 ('5c9f7d8c3c839422c268c615467bc6d7', -1, 1715109311, 1715109311, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php