phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '18f830c1fe6ba162afc58b4eaf80a4d4' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('18f830c1fe6ba162afc58b4eaf80a4d4', -1, 1763307655, 1763307655, 'd849d89d', -4, 0, 0)

Line : 215
File : sessions.php