phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c3dc811b94b0ba81846c1fdfd72c8ac4' 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 ('c3dc811b94b0ba81846c1fdfd72c8ac4', -1, 1714048392, 1714048392, '12777d07', -4, 0, 0)

Line : 187
File : sessions.php