phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '77d4f17878fcc1cb53a61f0408d83819' 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 ('77d4f17878fcc1cb53a61f0408d83819', -1, 1714759888, 1714759888, '03859fe0', -4, 0, 0)

Line : 187
File : sessions.php