phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '644d2e38b8ec2c8c754cc91f87520ded' 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 ('644d2e38b8ec2c8c754cc91f87520ded', -1, 1714023176, 1714023176, '0390248d', 15, 0, 0)

Line : 187
File : sessions.php