phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78f170735b319db7b3ab4e5c238e2f90' 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 ('78f170735b319db7b3ab4e5c238e2f90', -1, 1714170936, 1714170936, '038113fb', -4, 0, 0)

Line : 187
File : sessions.php