phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78135881daecf2fe0d05da9c7dc88ea6' 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 ('78135881daecf2fe0d05da9c7dc88ea6', -1, 1714255679, 1714255679, '12778b32', 42, 0, 0)

Line : 187
File : sessions.php