phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '016c686ccb3641d1cee321865da94d3c' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('016c686ccb3641d1cee321865da94d3c', -1, 1715642693, 1715642693, '12768a21', 0, 0, 0)

Line : 187
File : sessions.php