phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1c16b41a5d0a679a007072e718fe6df7' 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 ('1c16b41a5d0a679a007072e718fe6df7', -1, 1716000441, 1716000441, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php