phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4e0950d2bbd12413da94117f1a2fd44b' 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 ('4e0950d2bbd12413da94117f1a2fd44b', -1, 1775052741, 1775052741, 'd849d816', -4, 0, 0)

Line : 187
File : sessions.php