phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '578938a939ea205e79986c2340cd32fb' 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 ('578938a939ea205e79986c2340cd32fb', -1, 1758215668, 1758215668, 'd849d894', -4, 0, 0)

Line : 187
File : sessions.php