phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15c7d55fb8465ce38e240b034eff4e59' 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 ('15c7d55fb8465ce38e240b034eff4e59', -1, 1714433237, 1714433237, 'c0a80201', 16, 0, 0)

Line : 187
File : sessions.php