phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4f2c347c0e525d28566a7b81d9408829' 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 ('4f2c347c0e525d28566a7b81d9408829', -1, 1738203848, 1738203848, '038be919', 1, 0, 0)

Line : 187
File : sessions.php