phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '63cd4330852e372a1292f848a13e1fbe' 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 ('63cd4330852e372a1292f848a13e1fbe', -1, 1770810445, 1770810445, 'd849d876', 5, 0, 0)

Line : 187
File : sessions.php