phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5b87f82ff41920ed260475e603a9d33e' 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 ('5b87f82ff41920ed260475e603a9d33e', -1, 1775159456, 1775159456, 'c0a81010', 1, 0, 0)

Line : 187
File : sessions.php