phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'fef538b955898be8eb171edecde243ac' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('fef538b955898be8eb171edecde243ac', -1, 1715778991, 1715778991, '12dd1885', 20, 0, 0)

Line : 187
File : sessions.php