phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9e3c1b6be5655d2561ba747760699ece' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9e3c1b6be5655d2561ba747760699ece', -1, 1765600747, 1765600747, 'd849d834', -4, 0, 0)

Line : 187
File : sessions.php