phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a2bef378665c0079b15dd67d91a2cbfd' 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 ('a2bef378665c0079b15dd67d91a2cbfd', -1, 1715089101, 1715089101, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php