phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '797503107309a18abe76fb608d88d25e' for key 'PRIMARY'

INSERT INTO aristo_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('797503107309a18abe76fb608d88d25e', -1, 1766975400, 1766975400, 'd849d80b', -9, 0, 0)

Line : 187
File : sessions.php