phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '521db3f2b5899a7bf97c3fa0a836f8c1' 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 ('521db3f2b5899a7bf97c3fa0a836f8c1', -1, 1714978002, 1714978002, 'c0a80201', -9, 0, 0)

Line : 187
File : sessions.php