phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '44d9f5cc922fa423be850bbfbade3883' 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 ('44d9f5cc922fa423be850bbfbade3883', -1, 1769132501, 1769132501, 'd849d89a', -4, 0, 0)

Line : 187
File : sessions.php