phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '31a15e86fd76a77f733f6e2b664b3175' 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 ('31a15e86fd76a77f733f6e2b664b3175', -1, 1715802849, 1715802849, 'c0a80201', -11, 0, 0)

Line : 187
File : sessions.php