phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1ecb7320a7172195ff0e9fdff0cd7a20' 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 ('1ecb7320a7172195ff0e9fdff0cd7a20', -1, 1768535420, 1768535420, 'd849d87e', -4, 0, 0)

Line : 215
File : sessions.php