phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3252d480bf8ab6c16b9bca32d0132ee4' 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 ('3252d480bf8ab6c16b9bca32d0132ee4', -1, 1781769849, 1781769849, 'd849d958', -4, 0, 0)

Line : 187
File : sessions.php