phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0a1847be09add75b0bda15e036b49b68' for key 'PRIMARY'

INSERT INTO phpbb_ad_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('0a1847be09add75b0bda15e036b49b68', -1, 1715773900, 1715773900, '12e02c64', -4, 0)

Line : 170
File : sessions.php