phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1721e036f6253e5dd3bfb2abd2ff4f0b' 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 ('1721e036f6253e5dd3bfb2abd2ff4f0b', -1, 1715552950, 1715552950, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php