phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '252badaf379377c850f897f2f90c18c6' 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 ('252badaf379377c850f897f2f90c18c6', -1, 1793409364, 1793409364, '00000000', -501, 0, 0)

Line : 187
File : sessions.php