phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3179713e7dc8f87b63d07a4fcd8f0fd7' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3179713e7dc8f87b63d07a4fcd8f0fd7', -1, 1772300324, 1772300324, 'd849d8b7', 4, 0, 0)

Line : 187
File : sessions.php