phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'adc1c6c730c356cb99e8014daf76b728' 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 ('adc1c6c730c356cb99e8014daf76b728', -1, 1715966991, 1715966991, '12d9828a', 0, 0, 0)

Line : 187
File : sessions.php