phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '761640c17ec575b5540df724c545f78f' for key 'PRIMARY'

INSERT INTO 13T_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('761640c17ec575b5540df724c545f78f', -1, 1739638934, 1739638934, '12610e53', -1, 0, 0)

Line : 187
File : sessions.php