phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '640da0ffe7e851e5d898503cef1074f8' 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 ('640da0ffe7e851e5d898503cef1074f8', -1, 1715106048, 1715106048, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php