phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3f13c624966e1dc74672db7f28552700' 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 ('3f13c624966e1dc74672db7f28552700', -1, 1770319597, 1770319597, 'd849d83c', 7, 0, 0)

Line : 187
File : sessions.php