phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffef1c9890e439be5ea7207f5f56ec29' 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 ('ffef1c9890e439be5ea7207f5f56ec29', -1, 1711645493, 1711645493, '03ee8e86', -4, 0, 0)

Line : 187
File : sessions.php