phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9c0dce2b4a7c723b1fabd50c3fad6568' 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 ('9c0dce2b4a7c723b1fabd50c3fad6568', -1, 1762849136, 1762849136, 'd849d817', -4, 0, 0)

Line : 187
File : sessions.php