phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4c2171470bf4494ded5713eb5cc14d7a' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('4c2171470bf4494ded5713eb5cc14d7a', -1, 1714328613, 1714328613, '03119659', -4, 0, 0)

Line : 187
File : sessions.php